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4. IN YOUR EARS FOR SOME TIME AFTER FIRING WHILE THE CUMULATIVE LONG TERM EFFECT COULD BE PERMANENT HEARING LOSS WARNING ALWAYS WEAR AND ENCOURAGE OTHERS TO WEAR PROTECTIVE SHOOTING GLASSES FLYING PARTICLES COULD DAMAGE EYES AND CAUSE BLINDNESS PROTECTIVE SHOOTING GLASSES SHOULD PREVENT SUCH INJURY WARNING READ SAFETY INSTRUCTIONS IN SECTION 3 KEEP YOUR FIREARM POINTING IN A SAFE DIRECTION DO NOT TOUCH THE TRIGGER AND KEEP HANDS AWAY FROM THE EJECTION PORT Load the firearm as previously described 2 Grasp firearm with one hand on handguard and other hand on pistol grip with index finger resting along outside of trigger guard Raise firearm and pull buttstock firmly into shoulder adjust buttstock as necessary WARNING DDM4 PISTOLS ARE NOT DESIGNED TO BE FIRED FROM THE SHOULDER MISUSING THE DDM4 PISTOL CAN CAUSE INJURY DUE TO PISTOL RECEIVER EXTENSION A IMPORTANT DDM4 PISTOLS ARE DESIGNED TO BE FIRED EXTENDED AT ARM S LENGTH AND ARE COMPATIBLE WITH MANY ARM STRAPS AVAILABLE TO STABILIZE ONE HANDED FIRING 3 Aim by aligning target with front and rear sights 4 Move safety selector lever to SEMI 5 Keeping steady aim place index finger on trigger and squeeze straight back until trigger releases hammer Don t jerk the trigger as you will disturb your aim and ruin your accuracy To fire the second and subsequent rounds all that is necessary is to release the trigger and squeeze it again after every shot u
5. SAQONVNALNIVW ALSAVS SNOLLOMNALSNI IN WIA NI FEN DDM4 AND DDS FIREARMS LIGHTER STRONGER At Daniel Defense we always strive to do the right thing for our customers and stand committed to offering you the very best firearms and customer service in the industry More than just a rifle manufacturer Daniel Defense is represented by its employees whose hard work and expertise add character to each and every firearm Speaking for everyone at Daniel Defense cannot thank you enough for your business You will be satisfied with our products and service guarantee it Marty Daniel Founder amp CEO REV 3 0 9 2015 2015 Daniel Defense Inc All rights reserved 1 0 DANIEL DEFENSE FIREARMS 2 0 PRECAUTIONS 3 1 CAUTIONS 2 4 3 0 SAFETY INSTRUCTIONS 5 6 8 3 2 TRIGGER GUARD 3 3 SAFETY SELECTOR LEVER 9 3 4 BOLT LOCKING SAFETY FEATURES 10 3 5 DISCONNECTOR 10 3 6 FAIL SAFE FIRING MECHANISM 11 3 7 SEPARATION OF UPPER AND LOWER RECEIVERS 11 3 8 005 MODULAR AMBIDEXTROUS CHARGING HANDLE 11 3 8 1 CONFIGURING THE 205 MODULAR AMBIDEXTROUS CHARGING HANDLE 12 4 0 FUNCTION 12 4 0 1 DDM4 ISR SOUND SUPPRESSOR FUNCTION 13 4 1 AMMUNITION SELECTION 14 4 1 1 300 AAC BLACKOUT FIREARMS 15 4 1 2 DDM4 ISR AMMUNITION SELECTION 15 4 2 SIGHTS 16 4 2 1 FRONT SIGHT 16
6. 4 2 2 REAR SIGHT BACK UP IRON SIGHT 16 4 3 SIGHTING IN ZEROING THE FIREARM 16 4 3 1 CONFIRMING ZERO 18 4 4 TIPS ON AIMING 18 4 5 FORWARD ASSIST 19 4 6 ADJUSTABLE BUTTSTOCK 19 4 6 1 CHANGING BUTTPAD 20 4 6 2 PISTOL RECEIVER EXTENSION 21 4 7 LOADING 21 4 8 UNLOADING 24 4 9 FIRING 24 5 0 MAINTENANCE 27 5 1 STRIPPING FOR CLEANING 27 5 2 WHEN TO CLEAN 28 5 3 HOW TO CLEAN 29 5 4 LUBRICATING PRESERVATION 31 5 5 CLEANING THE MAGAZINE 32 5 6 DDM4 ISR SOUND SUPPRESSOR MAINTENANCE 32 5 6 1 STRIPPING FOR CLEANING 33 5 7 STORAGE 34 5 8 SERVICING AND REPAIRING 34 6 0 PARTS ILLUSTRATIONS amp LISTS 35 6 1 DDM4 UPPER RECEIVER GROUP PARTS ILLUSTRATION 36 6 2 DDM4 LOWER RECEIVER GROUP PARTS ILLUSTRATION CARBINE AND PISTOL 37 6 3 005 UPPER RECEIVER GROUP PARTS ILLUSTRATION 38 6 4 005 LOWER RECEIVER GROUP PARTS ILLUSTRATION 39 6 5 DDM4 ISR UPPER RECEIVER GROUP PARTS ILLUSTRATION 40 6 6 DDM4 BOLT CARRIER GROUP PARTS ILLUSTRATION 41 6 7 005 BOLT CARRIER GROUP PARTS ILLUSTRATION 4 7 0 WARRANTY STATEMENT 4 8 0 HEALTH AND ENVIRONMENTAL WARNING 41 1 0 DANIEL DEFENSE FIREARMS FIGURE 1 DANIEL DEFENSE M4 CARBINE V1 FIGURE 2 DANIEL DEFENSE M4 PISTOL MK18 FIGURE 3 DANIEL DEFENSE M4 ISR FIGURE 4 DANIEL DEFENSE AMBUSH 6 85 FIGURE 5 DD5 Figure 2 and Figure 3 shown with Daniel Defense Fixed Front Rear Sight combo SKU 19 088 09116 available separately LIGHTER STRONGER BETTER FIGURE 1 FIGURE 2 FIG
7. A IMPORTANT IF YOU MAKE UNAUTHORIZED ADJUSTMENTS OR USE UNAUTHORIZED PARTS DANIEL DEFENSE WILL NOT ASSUME RESPONSIBILITY FOR THE FUNCTIONING OF THIS FIREARM NOTE THIS FIREARM IS MANUFACTURED TO PERFORM PROPERLY WITH THE ORIGINAL PARTS AS DESIGNED IT IS YOUR DUTY TO MAKE SURE ANY PARTS YOU BUY ARE INSTALLED CORRECTLY AND THAT NEITHER REPLACEMENTS NOR ORIGINALS ARE ALTERED OR CHANGED THIS IS WHY SENDING IT BACK TO THE MANUFACTURER IS HIGHLY RECOMMENDED YOUR FIREARM IS A COMPLEX TOOL WITH MANY PARTS THAT MUST RELATE CORRECTLY TO OTHER PARTS PUTTING A FIREARM TOGETHER INCORRECTLY OR WITH MODIFIED PARTS CAN RESULT IN A DAMAGED FIREARM AND DANGER INJURY OR DEATH TO YOU AND OTHERS THROUGH MALFUNCTION ALWAYS LET A QUALIFIED GUNSMITH WORK ON YOUR FIREARM AND CHECK ANY WORK YOU THINK WAS NOT PERFORMED BY A GUNSMITH WE AT DANIEL DEFENSE THINK THIS IS A SMALL PRICE TO PAY FOR FIREARMS SAFETY LIGHTER STRONGER BETTER NOTE Various Federal and State laws and local ordinances govern the transfer and transportation of firearms Take the advice of the dealer in your state on how to send your firearm to Daniel Defense Before shipping your firearm take note of some important points to remember WARNING MAKE SURE THE MAGAZINE IS EMPTY AND THE FIREARM IS LOADED SEE PAGE 26 1 Prior to sending a firearm to Daniel Defense an RMA Return Merchandise Authorization can be obtained by calling 1 866 554 GUNS 4867 2 Do s
8. claims are made by the second or subsequent owner A IMPORTANT BEFORE THE FIREARM LEFT THE DANIEL DEFENSE FACILITY IT WAS CAREFULLY INSPECTED AT EVERY STAGE OF THE MANUFACTURING PROCESS BUILT BY HAND BY A TRAINED DANIEL DEFENSE ARMORER TESTED BY A DANIEL DEFENSE QUALITY ASSURANCE INSPECTOR AND PROPERLY PACKAGED DANIEL DEFENSE CANNOT CONTROL THE PRODUCT AFTER IT LEAVES THE DANIEL DEFENSE FACILITY AS SUCH PLEASE CAREFULLY EXAMINE THE FIREARM AT THE TIME OF PURCHASE TO ENSURE THAT IT IS UNLOADED AND UNDAMAGED THE AUTHORIZED DEALER AND OR DISTRIBUTOR WILL BE PLEASED TO ASSIST YOU IN ANY SUCH EXAMINATION AND ANSWER ANY FURTHER QUESTIONS THAT YOU MAY HAVE The instruction manual should always accompany the firearm If you lend give or sell the firearm be sure that the manual goes with it Be sure to comply with all relevant federal and local regulations governing the firearm s proper possession and use unfamiliar with firearms seek further advice through safe handling courses run by your local gun clubs NRA approved instructor or similar qualified organizations LIGHTER STRONGER BETTER 3 0 SAFETY INSTRUCTIONS Regardless of your experience level we urge you to read this entire instruction manual carefully BASIC RULES FOR FIREARM SAFETY 1 ALWAYS treat every firearm as if it is loaded a Never take anyone else s word that a firearm is unloaded b Always visually inspect the chamber and magazine if equ
9. such as sights and optics These indexing numbers allow the user to safely place the accessory back in the same location where it was mounted before being removed your Daniel Defense firearm does not include mechanical sights you can purchase the Daniel Defense Fixed Front Rear Sight combo SKU 19 088 09116 4 2 1 FRONT SIGHT The front sight post can be adjusted up or down for elevation to establish the point of bullet impact zeroing You may zero at any range distance you like but after zeroing the front sight post should not be moved again The standard location for the Daniel Defense Rail Mounted Front Sight is the second to last T Mark The amount of change in elevation per click varies depending on the sight radius distance between front and rear sight SEE ADJUSTMENT TABLE ON PAGE 19 4 2 2 REAR SIGHT your firearm is equipped with a Daniel Defense A1 5 Back Up Iron Sight the large aperture can be flipped back to bring the small aperture into use A windage wheel on the right side of the sight can be turned to move the aperture to the right or left to adjust for windage side to side The standard location for the A1 5 Rear Sight is with the mounting screw on indexing mark T 1 of the upper receiver The amount of change in windage per click varies depending on the sight radius distance between front and rear sight SEE ADJUSTMENT TABLE ON PAGE 19 4 3 SIGHTING IN ZEROING THE FIREARM RELEVANT TERMS MINUTE OF
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11. ANGLE MOA 1 60th of a degree 1 047 Inches 100 yards LIGHTER STRONGER BETTER 1 YARD 0 91 Meters 1 METER 1 09 Yards 1 INCH 2 54 Centimeters 1 CENTIMETER 0 39 Inches TRAJECTORY the path followed by a projectile ZERO the distance where the shooter s line of sight and the bullet s trajectory meet The purpose of sighting in or zeroing your firearm is to confirm that your rounds strike the target where you expect them to The operator of the firearm must decide at which distance to zero the firearm taking into consideration how the firearm is likely to be used A IMPORTANT THE TRAJECTORIES WILL VARY DEPENDING ON CALIBER AMMO TYPE WIND TEMPERATURE ALTITUDE ANGLE TO THE TARGET AND MANY OTHER VARIABLES If you are using any optics please follow the sighting in information provided by the manufacturer of the sighting system The following is the procedure to sight in your Daniel Defense mechanical sights 1 Be sure firearm is clean and properly maintained 2 Confirm rear sight has small aperture in the up position 3 Based on preference decide whether to use CENTER HOLD or 6 O CLOCK HOLD and stick to it while sighting in your firearm 121 12 CENTER HOLD 6 O CLOCK HOLD 4 Carefully aim at the target take your time and fire five rounds 5 If the middle of your shot group is not centered on the target ELEVATION measure the distance up or down from the cente
12. SEAT A FULLY LOADED MAGAZINE BE SURE THE BOLT IS LOCKED TO REAR WITH BOLT CATCH 6 Keeping fingers away from the ejection port and muzzle pointed in a safe direction press in on top of the thumb piece of the bolt catch This will release the bolt carrier group to move forward and feed a round from the magazine into the chamber A WARNING THE FIREARM IS NOW LOADED WITH A ROUND IN THE CHAMBER AND THE HAMMER IS COCKED 7 You may now close the ejection port dust cover if you wish it is located on the right hand side of the upper receiver and will open automatically when the first round is fired WARNING NEVER LEAVE YOUR FIREARM COCKED AND LOCKED READY TO FIRE WITHOUT SELECTOR LEVER BEING SET TO SAFE AS THIS IS THE FIRE CONDITION AND IS EXTREMELY DANGEROUS FIREARMS CAN EASILY BE ACCIDENTALLY DISCHARGED CAUSING INJURY DEATH OR DAMAGE TO PROPERTY WARNING THIS FIREARM MAY DISCHARGE ACCIDENTALLY WHEN A ROUND IS FED INTO THE CHAMBER IF IT IS DROPPED OR RECEIVES A BLOW TO THE MUZZLE OR FRONT OF THE FIREARM THIS CAN OCCUR REGARDLESS OF THE POSITION OF THE HAMMER OR ANY OF THE VARIOUS SAFETY DEVICES THEREFORE EXTRA CARE AND STRICT ADHERENCE TO THESE INSTRUCTIONS BY THE FIREARM S USER IS MANDATORY FOR MINIMIZING THE RISK OF ACCIDENTS DANIEL DEFENSE 23 4 8 UNLOADING A WARNING ALWAYS UNLOAD YOUR FIREARM IMMEDIATELY AFTER USE AND PRIOR TO CLEANING AND STORAGE TO MINIMIZE THE RISK OF ACCIDENTAL DISCHARGE TO U
13. handle and then pushing the forward assist forcing the extractor to engage the cartridge rim and locking the bolt into the barrel extension 4 6 ADJUSTABLE BUTTSTOCK Daniel Defense rifles are equipped with a six position collapsible buttstock To extend or collapse the buttstock press the front end of the release lever up against the buttstock and slide the buttstock forward or backward and release the lever to lock the buttstock at the desired position DANIEL DEFENSE P19 4 6 1 CHANGING BUTTPAD The buttstock equipped on Daniel Defense rifles can be customized with two different buttpads or run with no buttpad at all To change or remove the buttpad use the following steps REMOVAL 1 Remove the two mounting screws from the buttpad with 1 8 hex wrench 2 Remove the buttpad bottom first sliding down ATTACHING BUTTPAD 1 Slide the buttpad up top first ensuring its tab fits behind the top of buttstock 2 Replace the two mounting screws and hand tighten with 1 8 hex wrench LIGHTER STRONGER BETTER 4 6 2 DDM4 PISTOL RECEIVER EXTENSION Daniel Defense M4 Pistols are equipped with a Daniel Defense Pistol Receiver Extension WARNING DDM4 PISTOLS ARE NOT DESIGNED TO BE FIRED FROM THE SHOULDER MISUSING THE DDM4 PISTOL CAN CAUSE INJURY DUE TO PISTOL RECEIVER EXTENSION IMPORTANT DDM4 PISTOLS ARE DESIGNED TO BE FIRED EXTENDED AT ARM S LENGTH AND ARE COMPATIBLE WITH MANY ARM STRAPS AVAI
14. outside those limits and can potentially cause malfunctions or damage to the firearm as well as cause injury death or damage to other property ALWAYS CHECK THAT AMMUNITION IS CLEAN AND UNDAMAGED BEFORE USING THE FORWARD ASSIST Forcing damaged ammunition into the chamber could damage your firearm and could result in injury death or damage to property A SHOOTING CAUTIONS NEVER consume alcohol take drugs when handling firearms a Seek the advice of a qualified doctor if you are taking medication to ensure you are fit to shoot and handle your firearm safely ALWAYS wear personal protective equipment PPE including but not limited to safety shooting glasses and ear protection when shooting or near others who are shooting a Failure to use proper ear protection will cause permanent hearing damage b Failure to use protective shooting glasses can result in damage to eyes and blindness from flying particles propellant gasses ricocheting fragments and other debris c Always encourage spectators and others nearby to wear PPE ALWAYS keep your firearm s safety selector set to the SAFE position until your sights are on your target and you are ready to fire ALWAYS be careful of the direction your ejection port is pointed a Spent cartridges are ejected with enough force to cause injury to those standing near the shooter b If the ejection port is obstructed your firearm will malfunction becoming jammed with spent car
15. plunge strokes and three 360 clockwise rotational strokes Repeat steps 2 and 3 above Use an all purpose nylon cleaning brush and firearm cleaning solution to clean all carbon and powder residue from around the gas tube in the upper receiver bolt locking lugs bolt rings firing pin bolt cam pin lip of the extractor and inside the bolt carrier group A IMPORTANT DO NOT USE A WIRE BRUSH ON ALUMINUM SURFACES SUCH AS THE UPPER AND LOWER RECEIVERS AND THE HANDGUARDS IF CLEANING IS NECESSARY AVOID SCRATCHES AND WEAR BY USING A SMALL NYLON BRUSH OR FLANNEL PATCH Wipe all components clean and dry and inspect them for excessive wear corrosion or mechanical damage If any of these conditions are discovered have them corrected before firing again See Servicing and Repair later in this section Lightly dampen a flannel patch with gun oil and pass it once through the barrel leaving a thin film of oil on the inside surface Leave this film of oil on the surface if firearm is to be stored If it is not being stored or if it is being removed from storage for use pass the dry patch through the barrel and chamber to remove as much oil as possible LIGHTER STRONGER BETTER 10 Check that flannel or brush bristles have not become lodged in any part of firearm then lightly lubricate See Section 5 4 11 Remove any gun cleaning solution oil and fingerprints from the outside surfaces of the firearm Finger moisture if left co
16. right If the pins are stiff you can use the supplied chamber flag as a punch to push them in NOTE The bolt carrier group must be in the full forward position in order to separate the upper receiver from the lower receiver 3 8 DD5 MODULAR AMBIDEXTROUS CHARGING HANDLE The DD5 platform has been designed with a modular configurable and latchless charging handle Users can easily configure the charging handle adding longer or shorter handles to either or both sides Longer handles are useful on platforms utilizing magnified optics to avoid the ocular lens of the scope from interfering with your ability to operate the charging handle This charging handle uses a ball detent instead of a traditional latch allowing it to be easily manipulated from either side of the platform DANIEL DEFENSE 11 3 8 1 CONFIGURING THE 005 MODULAR AMBIDEXTROUS CHARGING HANDLE 1 Read safety instructions in Section 3 and previous CAUTIONS 2 Press in the rear takedown pin from the left hand side of lower receiver and pull the pin out on the right hand side of the receiver until it comes to a positive stop 3 Pivot the lower receiver down and away from the upper receiver 4 If required for more convenience completely separate the upper receiver from the lower receiver by pressing the front takedown pin from the left hand side of the lower receiver and pulling out the pin on the right hand side of the receiver until it comes to a pos
17. round on top of previous round and repeat until desired number is loaded A WARNING TO MINIMIZE RISK OF UNINTENTIONAL DAMAGE LOAD LIVE AMMUNITION INTO YOUR MAGAZINE ONLY WHEN YOU ARE ABOUT TO SHOOT TO LOAD THE FIREARM A IMPORTANT READ SAFETY INSTRUCTIONS SECTION 3 KEEP YOUR FIREARM POINTING IN A SAFE DIRECTION AND DO NOT TOUCH THE TRIGGER 1 Remove empty magazine by depressing magazine catch which is located on the right side of the lower receiver or on both sides of DD5 and extract magazine from the magazine well 2 Press in on bottom of thumb piece of bolt catch while grasping and pulling back on the charging handle to cock the hammer and leave bolt and carrier latched open to the rear LIGHTER STRONGER BETTER WARNING THE BOLT CARRIER GROUP BEING LATCHED OPEN IS NOT A SAFE CONDITION WHEN A LOADED MAGAZINE IS INSTALLED 3 Return charging handle fully forward until it locks and remove finger from bolt catch 4 Set selector lever located on left of lower receiver to SAFE this will lock the trigger 5 With bullet points facing forward insert the loaded magazine into the magazine well and push upward until it stops and is locked by the magazine catch When the magazine is inserted pull down on the magazine to ensure it is fully seated in the magazine well NOTE MOST COMMON MAGAZINES LOADED TO FULL CAPACITY CANNOT BE SEATED IN ANY AR15 M4 M16 PLATFORM IF THE BOLT IS FORWARD TO
18. will fire a single shot each time the trigger is squeezed without manually reloading Daniel Defense Machine Guns Some law enforcement and military platforms feature a three position safety selector SAFE SEMI and a third position for fully automatic DANIEL DEFENSE When to SAFE a cam bears upon the rear portion of the trigger blocking the sear surface of the trigger and preventing the hammer from being released When set to SEMI the firearm will fire a single shot each time the trigger is squeezed without manually reloading When set to the third position AUTO the firearm will fire continuously until either the trigger is released or the magazine is empty NOTE The safety featured on Daniel Defense firearms is a mechanical safeguard As with all mechanical systems failures within this system are possible and may not be visible to the operator ACTIVATING THE SAFETY SELECTOR LEVER TO THE SAFE POSITION DOES NOT MEAN THE FIREARM IS INCAPABLE OF FIRING IF MISHANDLED OR DROPPED 3 4 BOLT LOCKING SAFETY FEATURES The firearm can fire only when the bolt is fully locked to the barrel extension allowing the firing pin to move forward freely The bolt carrier is designed in such a way that the firing pin cannot come in contact with the primer of the cartridge The bolt carrier moves forward over the bolt rotating it to the fully locked position within the barrel extension allow
19. you are satisfied that the group is where you want it on the target Your sights now zeroed 4 3 1 CONFIRMING ZERO You should confirm zero or re zero your firearm if you change ammunition you travel to areas with new climate or atmospheric conditions drop your firearm check for damage before firing remove and reattach sights or barrel or change other parts of your firearm After making sure your firearm is clean and in good condition carefully aim at the target take your time and fire five rounds If your shot group is not where you intended it to be re zero your firearm using the steps described in Section 4 3 4 4 TIPS ON AIMING Relax hold steady and don t hold your breath Keep firearm level and do not tilt it sideways Keep tip of front sight in center of rear sight aperture Focus on tip of front sight not on target When sight picture is correct carefully squeeze trigger ON LIGHTER STRONGER BETTER 4 5 FORWARD ASSIST The forward assist allows you to help the bolt lock into the barrel but it will only be useful on rare occasions when the bolt fails to lock automatically When you must use the forward assist it is usually time for you to clean your firearm paying particular attention to the cleanliness of the chamber and bolt Hunters may find the forward assist useful when trying to load their firearms more quietly in the field This is done by releasing the bolt slowly with the charging
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21. 6 8 M16 AR 15 Brush 308 308AR Brush e Nylon bristle all purpose cleaning brush or toothbrush e Firearm cleaning solution Use only high quality firearm cleaning solutions when cleaning your Daniel Defense firearm There are many good options when it comes to cleaning your firearm Check with the cleaning solution s manufacturer to see if it is correct for your application and be sure to follow their directions carefully A WARNING BE SURE TO REMOVE OR NEUTRALIZE ANY AMONIA BASED CLEANING SOLUTIONS FROM THE FIREARM AS THEY CAN CAUSE PERMANENT DAMAGE Optional but recommended equipment e Bore guide this helps to prevent users from damaging the barrel by keeping cleaning rod in line with the bore e Bore light inserted at muzzle a bore light will help user inspect rifling from the rear of receiver while keeping firearm pointed in a safe direction Chamber mop helps clean chamber and lead more effectively then chamber brush alone Procedure A WARNING ENSURE THAT THE FIREARM IS NOT LOADED A WARNING ALLOW FIREARM TO COOL TO ROOM TEMPERATURE BEFORE ATTEMPTING CLEANING MAINTENANCE A WARNING USE PROPER PROTECTIVE EQUIPMENT GOGGLES MASK AND CHEMICAL GLOVES A WARNING IMPROPER CLEANING TECHNIQUES CAN PERMANENTLY DAMAGE FIREARM AND LEAD TO DEGRADATION IN ACCURACY AND REDUCED LIABILITY A WARNING CLEANING FIREARMS DISCHARGING FIREARMS IN POORLY VENTILATED AREAS OR HANDLING AMMUNITION MAY RESULT IN EXPOSURE TO LEA
22. AINTENANCE IS REQUIRED SEE SERVICE AND REPAIR LATER IN THIS INSTRUCTION MANUAL REASSEMBLE YOUR FIREARM BY REVERSING THE STRIPPING PROCEDURE ALREADY DESCRIBED AND MAKE SURE THAT THE CAM PIN IS PROPERLY INSTALLED A WARNING IF YOU ATTEMPT TO FIRE WITHOUT THE BOLT CAM PIN INSTALLED DAMAGE TO FIREARM OR INJURY MAY RESULT WHEN TO CLEAN BEFORE FIRING make sure that the barrel and the chamber are clean and dry After firing clean your firearm as soon as possible so that the job will be easier and there will be less opportunity for corrosion to start PERIODICALLY when your firearm has not been fired we suggest you clean it when necessary and at least once or twice a year in a temperate climate or as often as once week in a tropical climate IF YOU CARRY A LOADED FIREARM UNLOAD it and clean when necessary and at least once a month If you get your firearm wet clean it as soon as possible LIGHTER STRONGER BETTER 5 3 HOW CLEAN Materials e Personal Protective Equipment chemical resistant gloves mask and eye protection Good quality cleaning rod coated is preferable for protecting barrel e Brass jag or loop of correct caliber 5 56mm 22 caliber 6 8mm 277 caliber 300BLK 30 caliber 308 win 30 caliber e Cotton bore cleaning patches cut to size to fit snuggly in bore e Nylon bore brush of correct caliber see above for size e Nylon chamber brush of correct caliber 5 56 300BLK
23. AND CHEMICAL RESISTANT GLOVES 5 6 1 STRIPPING FOR CLEANING 1 3 Follow the instructions presented Section 5 1 for the stripping procedure of the upper receiver group WITHOUT REMOVING HANDGUARD carefully inspect the outside of the suppressor assembly that extends underneath the handguard for debris or corrosion Clean with compressed air and lubricate as needed NOTE If removal of handguard is required please take firearm to a qualified gunsmith If removal of the monolithic baffle is deemed necessary a Gently secure the suppressor assembly using a soft jawed clamp or vise by the suppressor Securing by the upper receiver may result in excessive torque applied to the barrel and is not recommended Place the two pins on the front face of the DDM4 ISR Removal Tool provided with your firearm into the holes located on the muzzle end of the monolithic baffle See Figure 2 below Using either an 1 25 crescent wrench 72 square drive torque limiting wrench preferred turn the tool clockwise to loosen the threads that hold the baffle in place are left hand oriented Slowly back the monolithic baffle out of the suppressor assembly until it is free and clear of outer tube For reassembly after cleaning install the baffle in the same manner as removal turning the tool counterclockwise If using a torque wrench tighten to 15 20 Ib ft preferred or tighten until baffle is held securely snug with a stand
24. D AND OTHER HARMFUL SUBSTANCES WHICH ARE KNOWN TO THE STATE OF CALIFORNIA TO CAUSE BIRTH DEFECTS REPRODUCTIVE HARM AND OTHER SERIOUS PHYSICAL INJURY HAVE ADEQUATE VENTILATION AT ALL TIMES BE SURE TO ALWAYS WASH HANDS THOROUGHLY AFTER POSSIBLE EXPOSURE DANIEL DEFENSE P29 1 Strip for cleaning as previously described NOTE Avoid contact between the cleaning rod and the muzzle as resultant wear will greatly reduce accuracy Attach a cotton flannel patch to end of the cleaning rod insert it in the chamber and pass the rod and patch down through the barrel and out the muzzle Remove used patches at muzzle to avoid pulling it back through the bore Repeat changing patches with each pass through the barrel until the last patch comes out clean NOTE Avoid pulling dirty patches back through the barrel Visually inspect the barrel if it is clean proceed directly with step 8 but if it remains dirty continue with step 4 NOTE Items 4 amp 5 should be applicable only after firing Attach nylon wire bristle bore cleaning brush to cleaning rod and dip brush in firearm cleaning solution Thoroughly scrub out barrel passing the brush all the way through before reversing the movement If you try to change direction with the brush in barrel the brush can get stuck and cause damage to barrel Attach the larger chamber cleaning brush to the cleaning rod dip the brush in bore cleaning solution and clean the chamber Use a minimum of five
25. ED 5 56mm 6 8SPC 300 BLK 300 7 62x51mm 308 FOR NATO 6 8x43mm Whisper NATO Winchester NO 5 56x45mm NATO lt O 300 AAC Blackout N NO YES YES NO NO 6 85 YES 7 62 51 All Daniel Defense firearms are designed to function with a variety of brands and types of factory manufactured ammunition in the appropriate caliber Ammunition and in particular the projectiles the ammunition is loaded with are designed for a particular task such as long range target shooting frangible target shooting personal home defense big game hunting varmint hunting etc It is important to choose ammunition that is appropriate for the application Consult with the information provided by the ammunition manufacturer when choosing the appropriate ammunition A WARNING IT IS VERY IMPORTANT TO CHOOSE THE APPROPRIATE AMMUNITION VELOCITY AND BULLET DESIGN FOR THE INTENDED APPLICATION Daniel Defense recommends that after you read and understand this manual you go to the range and fire different types of ammunition of the appropriate caliber and bullet design for your firearm and its intended use target shooting hunting etc Once you find the ammunition that functions best for your application keep using it To protect you and others from danger and your firearm from being severely damaged Daniel Defense does not recommend the use of any hand loaded or remanufactured ammunition LIGHTER STRONGER BETTE
26. G O s joo YSI NAA Josseiddng AHD 01 Aiquessy 1 YSI 3NN pueg JN laueg 4 Bury gt 4J8A09 3104 uo 398 3 Buds 8009 uo lt eqn seg 0314 aqnl seo 545 34615 30014 6 1015 14615 ei 3461 3uo14 ve 5 Med Js ssy 4 ysissy 4 3s ssy 104 SdS 14615 1015 34615 30014 h 61 ueay 3S0q 14615 3 4 gt O URIs sds d aBepuim wing T i 3461 LY 346 5 Sia py 1 3461 seay SLY 4 34615 esy Apog SLY 3461 seay MIIS 14615 eld 9 ZV 4615 seay 4 lt 5 13u19 og 95 5 5 a SR Ress YSI 9 LIGHTER STRONGER BETTER 6 6 DDM4 BO
27. G MAKE SURE THAT THE MAGAZINE IS REMOVED AND THAT THE FIREARM IS UNLOADED SO THAT IT CANNOT BE FIRED WARNING ALLOW FIREARM TO COOL TO ROOM TEMPERATURE WARNING ALWAYS WEAR SAFETY GLASSES TO PROTECT YOUR EYES FROM NOT ONLY SOLVENTS AND OILS BUT ALSO PARTS THAT ARE UNDER SPRING TENSION WHICH CAN BE PROPELLED WITH ENOUGH FORCE TO CAUSE SEVERE INJURY 5 1 STRIPPING FOR CLEANING A IMPORTANT TO PREVENT LOSS OF SMALL COMPONENTS DURING STRIPPING AND CLEANING LAY THEM OUT IN AN ORDERLY FASHION 1 Read and understand all safety instructions 2 Press in the rear takedown pin from the left hand side of lower receiver and pull the pin out on the right hand side of the receiver until it comes to a positive stop 3 Pivot the lower receiver down and away from the upper receiver 4 If required for more convenience completely separate the upper receiver from the lower receiver by pressing the front takedown pin from the left hand side of the lower receiver and pulling out the pin on the right hand side of the receiver until it comes to a positive stop 5 Pull charging handle to the rear and remove the bolt carrier group 6 Remove the charging handle by pulling it backward to the keyway and then down and out of the upper receiver 7 Push in the firing pin retaining pin from right to left of the bolt carrier group and remove the pin by pulling it out to the left 8 Tilt the bolt face up and remove the firing pin 9 Push the bolt i
28. LABLE TO STABILIZE ONE HANDED FIRING 4 7 LOADING TO LOAD A MAGAZINE WARNING ALWAYS CHECK THAT AMMUNITION IS CLEAN UNDAMAGED AND THE CORRECT CALIBER BEFORE USING THE FORWARD ASSIST FORCING DAMAGED OR INCORRECT CALIBER AMMUNITION INTO THE CHAMBER CAN DAMAGE YOUR FIREARM AND CAN RESULT IN INJURY DEATH OR DAMAGE TO PROPERTY WARNING ALWAYS CHECK THAT YOU ARE USING THE APPROPRIATE MAGAZINE FOR THE CALIBER OF THE PLATFORM AND THAT THE MAGAZINE IS CLEAN AND IN GOOD CONDITION FIREARM CHAMBER CORRECT MAGAZINE 5 56x45mm NATO PMAG for AR15 M16 or equivalent Magazines 300 AAC Blackout PMAG for AR15 M16 or equivalent Magazines 6 8 6 8x43mm PRI 6 8x43mm or equivalent Magazines 7 62 51 PMAG for LR SR or equivalent Magazines 308 Winchester PMAG for LR SR or equivalent Magazines WARNING READ AND UNTERSTAND ALL SAFETY INSTRUCTIONS SECTION 3 1 Use only ammunition recommended in this instruction manual as suitable for your firearm and application The caliber your firearm is chambered in will be engraved on the barrel near the chamber DANIEL DEFENSE 21 2 Examine the ammunition particularly on and around the primer Look for dents scratches and other signs of damage Do not load damaged ammunition 3 With short end of the magazine facing forward place a round between the lips of the magazine with the bullet forward Press the round down until it is held by the magazine lips Place next
29. LT CARRIER GROUP PARTS ILLUSTRATION 2 SHCS Gas Key Pin Firing Key Gas Standard 5 Pin Cam Pin Retaining Firing Pin Carrier Bolt Standard SPS Retaining 7 62 Firing Pin Retaining Pin A Assembly Bolt a 2 SHCS Gas Key Key Gas Standard lt Pin Firing 7 62 O Ring 7 62 Gas Key i Pin Cam 7 62 6 7 DD5 BOLT CARRIER GROUP PARTS ILLUSTRATION Pin Retaining Firing Pin 7 62 Carrier Bolt 7 62 Assembly Bolt 7 62 7 0 WARRANTY STATEMENT All Daniel Defense products carry a 100 satisfaction guarantee against defects in original materials and workmanship If your Daniel Defense product shows evidence of such defects Daniel Defense will make every accommodation to fix repair or replace your product expeditiously Daniel Defense does not warranty products or damage caused to our products by the correct or incorrect installation of other manufacturer s products Be sure to retain your sales slip as proof of purchase date when making a claim 8 0 HEALTH AND ENVIRONMENTAL WARNING Discharging firearms in poorly ventilated areas cleaning firearms or handling ammunition may result in exposure to lead and other substances known to cause birth defects reproductive harm cancer and other serious physical injury Have adequate ventilation at all times Wash hands thoroughly after exposure DANIEL DEFENSE P41 below and include earm
30. NLOAD A IMPORTANT READ SAFETY INSTRUCTIONS KEEP YOUR FIREARM POINTING IN A SAFE DIRECTION DO NOT TOUCH THE TRIGGER AND KEEP HANDS AWAY FROM THE EJECTION PORT 1 Set the safety selector lever to SAFE NOTE THE HAMMER MUST BE COCKED TO PLACE THIS FIREARM ON SAFE 2 Press the magazine catch and remove the magazine 3 Pull the charging handle to the rear and push in lower portion of bolt catch If round was in the chamber it should have been ejected If the last round was fired the bolt carrier group should already be locked to the rear provided a magazine was in place 4 LOOK INTO THE CHAMBER THROUGH THE EJECTION PORT TO MAKE SURE THE CHAMBER IS EMPTY 5 When the magazine is removed and the chamber is empty push the top portion of the bolt catch to allow the bolt carrier group to return forward 6 Remove remaining live rounds by sliding them forward out of the magazine 7 Collect live ammunition for safe storage and spent cartridge cases for disposal 4 9 FIRING Before firing practice your stance sight picture and breathing for steady aim with your firearm UNLOADED Practice firing on a range before using your firearm for any other type of shooting LIGHTER STRONGER BETTER WARNING ALWAYS WEAR AND ENCOURAGE OTHERS WEAR EAR PROTECTION WHEN SHOOTING ESPECIALLY ON A RANGE WITHOUT EAR PROTECTION THE NOISE FROM YOUR FIREARM AND OTHER FIREARMS CLOSE TO YOU COULD LEAVE A RINGING
31. R 4 1 1 300 AAC BLACKOUT FIREARMS NOT ALL AMMUNITION WILL PRODUCE THE SAME RESULTS All Daniel Defense firearms chambered in 300 AAC BLACKOUT are designed to function with a variety of brands and types of factory manufactured ammunition in the appropriate caliber These platforms were designed to be shot suppressed and unsuppressed utilizing various types of supersonic and subsonic ammunitions Many subsonic types of ammunition are designed to be fired in conjunction with a sound suppressor Testing indicates firing certain types of subsonic ammo without a sound suppressor can lead to failure to cycle issues and is not recommended 4 1 2 DDM4 ISR AMMUNITION SELECTION RELEVANT TERMS SPEED OF SOUND approximately 1 126 feet per second depending on altitude temperature humidity etc SUBSONIC AMMUNITION Ammunition loaded to travel slower than the speed of sound SUPERSONIC AMMUNITION Ammunition loaded to travel faster than the speed of sound MUZZLE FLASH The visible light produced by the combustion of unburned gunpowder mixing with ambient air MUZZLE BLAST The sound of escaping gasses after bullet leaves the barrel produced by the gunpowder which causes the report of a gunshot BULLET CRACK The sound associated with the collision of the shockwaves created by an object traveling through the air faster than the speed of sound A WARNING NOT ALL AMMUNITION WILL PRODUCE THE SAME RESULTS The DDM4 ISR chambe
32. T FIRE REMOVE THE MAGAZINE EJECT THE ROUND AND EXAMINE THE PRIMER IF THE FIRING PIN INDENT ON THE PRIMER IS LIGHT MISALIGNED OR NONEXISTENT HAVE YOUR FIREARM EXAMINED BY A COMPETENT GUNSMITH IF THE FIRING PIN INDENT ON THE PRIMER APPEARS NORMAL IN COMPARISON WITH PREVIOUSLY FIRED ROUNDS ASSUME FAULTY AMMUNITION SEGREGATE THE MISFIRED ROUND FROM OTHER LIVE AMMUNITION AND EMPTY CASES RELOAD AND CARRY ON FIRING NOTE On Daniel Defense firearms or any other AR platform it is normal for a light firing pin indent to appear on cartridges which have been fed into the chamber but not fired NOTE Dispose of misfired rounds in accordance with ammunition manufacturer s instructions A WARNING ALWAYS KEEP YOUR FIREARM POINTING IN A SAFE DIRECTION A WARNING UNLOAD FIREARM AS DESCRIBED IN SECTION 4 8 A WARNING IF YOU LOAD YOUR FIREARM BUT DO NOT FIRE IT KEEP THE SAFETY SELECTOR LEVER SET TO SAFE UNTIL YOU ARE READY TO FIRE A WARNING NEVER LEAVE YOUR FIREARM COCKED READY TO FIRE WITHOUT SELECTOR LEVER SET TO SAFE AS THIS IS THE FIRE CONDITION AND IS EXTREMELY DANGEROUS YOUR FIREARM CAN EASILY BE ACCIDENTALLY DISCHARGED CAUSING INJURY DEATH OR DAMAGE TO PROPERTY LIGHTER STRONGER BETTER 5 0 MAINTENANCE Your Daniel Defense firearm will perform better last longer and remain safer when it is properly maintained Follow the instructions in this section to keep your firearm in good condition WARNIN
33. URE 3 FIGURE 4 0000000000020 gt FIGURE 5 DANIEL DEFENSE 2 0 PRECAUTIONS A IMPORTANT THIS DANIEL DEFENSE PRODUCT IS POTENTIALLY LETHAL IT IS CLASSIFIED AS A FIREARM OR DANGEROUS WEAPON BY THE BUREAU OF ALCOHOL TOBACCO FIREARMS AND EXPLOSIVES A IMPORTANT READ AND UNDERSTAND THE ENTIRE USER MANUAL BEFORE REMOVING THE FIREARM FROM ITS PACKAGE YOUR SAFETY AND THE SAFETY OF OTHERS REQUIRES YOU TO FOLLOW THE BASIC ADVICE ON THE PROPER HANDLING AND FUNCTIONING OF THIS DANIEL DEFENSE FIREARM A WARNING IF THIS FIREARM IS CARELESSLY OR IMPROPERLY HANDLED UNINTENTIONAL DISCHARGE COULD RESULT AND COULD CAUSE INJURY DEATH OR DAMAGE TO PROPERTY NOTICE Daniel Defense shall not be responsible for any injury death or damage to property resulting from any intentional unintentional or accidental discharge of the firearm or from any firearm function when used for any improper purpose for which it was not designed Daniel Defense will not honor claims involving the firearm which resulted from careless or improper handling unauthorized use and or adjustment or unauthorized part s replacement corrosion neglect or the use of improper caliber ammunition or the use of ammunition other than original high grade commercially available ammunition in good condition or any combination thereof Daniel Defense will not honor any such claims involving the firearm for any reason or cause when such
34. agazine and thrusts it into the chamber Simultaneously the extractor snaps into the groove of a cartridge case and the bolt locks into the barrel The hammer is now held rearward by the disconnector until the trigger is released causing the disconnector to rotate back releasing the hammer Before the disconnector s hook actually releases the hammer the trigger sear surface has rotated in front of the hammer notch so the hammer is held on the trigger sear surface making the firearm ready for another shot Upon cycling the last shot from the magazine the bolt catch is pushed upward by the magazine s follower catching the bolt before it travels forward locking it to the rear With the bolt now locked open the user can remove the empty magazine replace it with a loaded one and press the bolt catch paddle to disengage the bolt catch and load a live round into the chamber be sure to follow safe loading procedures A WARNING THIS IS A SEMI AUTOMATIC FIREARM AND IS LOADED AND READY TO FIRE AFTER EACH SHOT UNTIL THE MAGAZINE IS EMPTY TO UNLOAD THE FIREARM THE MAGAZINE MUST BE REMOVED AND THE BOLT CARRIER GROUP MUST BE PULLED TO THE REAR WITH THE CHARGING HANDLE TO EXTRACT ANY REMAINING ROUND FROM THE CHAMBER 4 0 1 DDM4 ISR SOUND SUPPRESSOR FUNCTION The Daniel Defense M4 ISR utilizes a specially designed Integral Sound Suppressor or silencer to reduce the noise signature muzzle flash and recoil of the discharging firearm Upon exiti
35. ard wrench WARNING DO NOT OVER TIGHTEN PAST 20 LB FT THIS MAY DAMAGE THE SUPPRESSOR ASSEMBLY AND RESULT IN THE PROJECTILE STRIKING THE BAFFLE UPON FIRING DANIEL DEFENSE P33 5 7 STORAGE A WARNING ALWAYS UNLOAD YOUR FIREARM FOR STORAGE AND STORE AMMUNITION SEPARATELY Store your firearm and ammunition securely locked in separate locations out of the reach and sight of children Children are naturally curious and do not always believe or understand the real danger and responsibilities of firearms NOTE Do not store your firearm in an airtight container and do not seal or attempt to seal the barrel to exclude dust as an internal steel surface is more likely to corrode 5 8 SERVICING AND REPAIRING Should your firearm require adjustment or repair make sure it is NOT LOADED and call Daniel Defense for specific instructions on where to send the firearm For spare parts seek advice from your dealer who should have up to date information on how to best obtain genuine Daniel Defense parts An illustration and list of part names are included in the next section of this instruction manual to help you identify the parts you need but it is most important to note that all parts are not available for sale Those parts that are available should be installed by Daniel Defense or by a competent gunsmith When ordering parts please provide the part name as it is given on the parts list along with the serial number of the firearm
36. end presentation boxes accessories or explosive components 3 Daniel Defense s address for receiving packages is DDA INC 58 FIREFLY DRIVE RIDGELAND SC 29936 NOTE Do not indicate the contents or include DANIEL DEFENSE in the address on the pack so that an inquisitive thief is not attracted to it by such information 4 Make sure that the package contents are insured against loss or theft FIREARM RECORD Daniel Defense Product Firearm Serial Suppressor Serial Caliber Purchased From Date Purchased Purchase Price 6 0 These images are provided so you may identify names of parts for your own interest However for adjustment repair or spare parts PARTS ILLUSTRATIONS amp LISTS information see Section 5 8 Servicing and Repair DANIEL DEFENSE P35 15071 SLYVd yoerg deg deo 2 1 Apog dub 104 peoa PLIMA jeued uued 454 0 21 3NN yog ld dN 237 SLAVNA 1055 1 yse 4 22 Wyse ysn gt aseg 34615 4 2 1461 4 WIN 34616 34014 34615 34014 3504 14615
37. he monolithic baffle may result in illegal modifications to the sound suppressor 7 Contact Daniel Defense for any questions about repairing damaged components or further troubleshooting 3 2 TRIGGER GUARD The trigger guard is the strip below the trigger to protect it from damage and to help prevent accidental discharge The integrated trigger guard on Daniel Defense firearms features radiused and beveled edges to accommodate shooters wearing gloves A WARNING KEEP YOUR FINGER OUT OF THE TRIGGER GUARD UNTIL YOU ARE READY TO SHOOT A WARNING USE EXTRA CAUTION WHEN USING GLOVES TO AVOID AN ACCIDENTAL NEGLINGENT DISCHARGE LIGHTER STRONGER BETTER 3 3 SAFETY SELECTOR LEVER DDM4 Firearms The safety selector lever is located on the left side of the lower receiver and has two positions SAFE and SEMI When set to SAFE a cam bears upon the rear portion of the trigger blocking the sear surface of the trigger and preventing the hammer from being released When set to SEMI the firearm will fire a single shot each time the trigger is squeezed without manually reloading DD5 Firearms The safety selector lever is located on both sides of the lower receiver and has two positions SAFE and SEMI When set to SAFE a cam bears upon the rear portion of the trigger blocking the sear surface of the trigger and preventing the hammer from being released When set to SEMI the firearm
38. household to respect firearms and stress all aspects of firearm safety e Refer to a qualified instructor for help in training and supervise all activities closely c YOU ARE RESPONSIBLE FOR YOUR FIREARM WARNING IF YOU TOUCH THE TRIGGER YOU MUST EXPECT THE FIREARM TO FIRE YOUR CAREFUL ADHERENCE TO THE SAFETY RULES CAN AVOID AN ACCIDENTAL DISCHARGE AND YOU WILL THEREBY AVOID ACCIDENTAL INJURY AND DEATH YOU ARE FULLY RESPONSIBLE FOR THE SAFE USE OF THE FIREARM AND FOR ANY DAMAGE INJURY OR DEATH CAUSED WITH IT A WARNING THIS FIREARM MAY DISCHARGE WHEN A ROUND IS FED INTO THE CHAMBER OR IF IT IS DROPPED JARRED VIOLENTLY REGARDGLESS OF THE POSITION OF THE SAFETY SELECTOR AND WITHOUT THE TRIGGER BEING PULLED THEREFORE EXTRA CARE AND STRICT ADHERENCE TO THESE INSTRUCTIONS BY THE FIREARM USER IS MANDATORY FOR MINIMIZING THE RISK OF ACCIDENTS DAMAGE INJURIES AND DEATH DANIEL DEFENSE 5 31 CAUTIONS A EQUIPMENT CAUTIONS 1 ALWAYS BE SURE CHAMBER BORE SUPPRESSOR IF EQUIPPED AND ACTION ARE CLEAN AND CLEAR OF OBSTRUCTIONS Keep your firearm clean and well lubricated to ensure it will function correctly and safely ALWAYS USE HIGH QUALITY COMMERCIALLY MANUFACTURED AMMUNITION THAT IS CLEAN DRY INGOOD CONDITION AND OF THE APPROPRIATE CALIBER FOR YOUR FIREARM Firearm and ammunition manufacturers design their products within exacting engineering safety limits Hand loaded and remanufactured ammunition are sometimes
39. ier between the firearm and contaminants dirt dust fouling etc and corrosives moisture salt etc It is important to protect areas of your firearm with a high quality gun oil lubricant or preservative especially the steel components including the barrel gas block muzzle device pins forward assist ejection port cover etc Many commercially available gun oil lubricants are also designed to be preservatives Check with the lubricant s manufacturer to see if it is suitable for use as a preservative corrosion inhibitor 5 5 CLEANING THE MAGAZINE For all cleaning maintenance and care instruction please refer to the magazine manufacturer 5 6 DDM4 ISR SOUND SUPPRESSOR MAINTENANCE The suppressor assembly of ISR is designed with minimal maintenance in mind and the removal of the monolithic baffle is NOT necessary for normal cleaning of the firearm Only after degradation in sound reduction or extreme fouling i e mud or debris inside the suppressor should removing the monolithic baffle be required A simple preventative maintenance schedule should be all that is necessary to ensure that the suppressor remains clean and ready for use LIGHTER STRONGER BETTER Follow the instructions in this section to maintain your firearm s suppressor peak condition WARNING MAKE SURE THAT THE MAGAZINE IS REMOVED AND THAT THE FIREARM IS UNLOADED SO THAT IT CAN NOT BE FIRED WARNING WEAR SAFETY GLASSES
40. ing the firing pin to advance forward enough to fire the firearm This prevents the cartridge from being fired before it is fully chambered and the bolt is fully rotated locked to the barrel extension Even with the bolt locked if you do not use the proper ammunition or your barrel is obstructed your firearm could blow up or blow down through the magazine 3 5 DISCONNECTOR The disconnector is part of the firing mechanism that prevents the firearm from firing more than one time per trigger pull As the hammer is cocked after each shot by the rearward movement of the bolt carrier the disconnector engages the hammer to hold it rearward until the trigger is released When the trigger is released you will hear a click as the retention of the hammer passes from the disconnector to the sear surface of the trigger making the rifle ready to fire again with the next trigger pull LIGHTER STRONGER BETTER 3 6 FAIL SAFE FIRING MECHANISM In case of any failure of the firing mechanism the top of the hammer and the underside of the carrier are machined in such a way that if the hammer was not held rearward by the disconnect or trigger sear surface then the hammer would ride under the carrier and drop into engagement with the back of the firing pin to stop or prevent firing 3 7 SEPARATION OF UPPER AND LOWER RECEIVERS The lower receiver can be separated from the upper receiver by pushing in the takedown pin and pivot pin from left to
41. ipped yourself to ensure that the firearm is completely unloaded even if you just witnessed someone else perform this safety check c Always remove the magazine and lock the bolt to the rear before laying down or handing someone a firearm d Do not load your firearm until you are ready to shoot 2 NEVER point the muzzle of a firearm at anything you do not wish to destroy a Always pay close attention to the direction of your muzzle at all times when carrying your firearm b Always unload your firearm before navigating difficult terrain ie fence crossings hills rocky or loose terrain tree stands etc 3 ALWAYS keep your finger off the trigger until your sights are on the target a Keep your finger on the receiver or trigger guard until ready to fire 4 ALWAYS be sure of your target and beyond before firing a Understand what is behind your target should the bullet pass through b Understand where the bullet will go should you miss your target c Make sure your backstop is adequate to stop your bullets and large enough to accommodate for any misplaced shots d Never shoot at or near rocks hard surfaces water or any other area which may cause a ricochet or make your bullet go off course and cause injury death or damage 5 NEVER leave your firearm unattended or unsecured a Someone including children may pick up and cause damage injury and death with your firearm b Always instruct children and others in your
42. itive stop Pull charging handle to rear and remove the bolt carrier group Remove the charging handle by pulling it backward to the keyway and then down and out of the upper receiver Remove socket head screw with 1 16 hex wrench Remove handle from the bottom of the charging handle assembly Affix the desired length handle in bottom of the charging handle assembly 0 Apply Loctite to socket head screw then tighten 1 Re install the charging handle assembly into the upper receiver by pushing it forward approximately 1 5 into the keyway and then up into the upper receiver You can not insert the charging handle all of the way until it latches 12 With the bolt fully extended forward install bolt carrier group into the upper receiver Orient the gas key so that it fits into the charging handle slide entire bolt carrier group forward and latch the charging handle into the upper receiver 13 Attach the upper and lower receivers together by orienting the front upper receiver pivot pin lug into the corresponding recess in the lower receiver Push the pivot pin from right to left until fully seated 14 Pivot the rear end of the receivers together and push the rear takedown pin from right to left until fully seated an 4 0 FUNCTION Daniel Defense firearms have semi automatic actions With the action cocked chamber loaded and selector lever set to SEMI the firearm may be fired by squeezing the trigger The trigger piv
43. latch the charging handle into the upper receiver Attach the upper and lower receivers together by orienting the front upper receiver pivot pin lug into the corresponding recess in the lower receiver Push the pivot pin from right to left until fully seated Pivot the rear end of the receivers together and push the rear takedown pin from right to left until fully seated LUBRICATING PRESERVATION Use only high quality gun oil when lubricating your Daniel Defense firearm There are many good options when it comes to lubricating your firearm Check with the lubricant s manufacturer to see if it is correct for your application DANIEL DEFENSE P31 Lubrication Points Bolt Carrier Group e Fire Control Group Takedown Pin Carrier Rails Hammer e Pivot Pin Cam Pin Trigger e Buffer Retaining Pin Bolt Lugs Pins e Buffer Spring Extractor Pin Disconnector Buttstock Latch Extractor Selector Charging Handle Gas Rings Mag Catch e Sight Aperture Pivot Firing Pin Bolt Catch Point Firing Pin Retaining e Bolt Release DD5 e Sight Adjustment Pin e Ejection Port Cover Wheel Ejector s e Forward Assist e Front Sight Detent Preservation A IMPORTANT AREAS WITH EXCESSIVE HUMIDITY SALT COASTAL AREAS DUST ETC WILL REQUIRE MORE AGGRESSIVE PRESERVATION EFFORTS The use of quality preservatives corrosion inhibitors can extend the life of the firearm and make cleaning easier They provide a barr
44. n toward the carrier until bolt rotates and comes to a stop then turn the bolt cam pin through 90 not necessary on 005 10 Remove the cam pin by lifting it out and away from the bolt and bolt carrier 11 Pull the bolt forward and remove it from the bolt carrier 12 Handguard maintenance a If dirt or debris has accumulated in and around the handguard use compressed air for removal b Lubricate as needed DANIEL DEFENSE P27 If removal of handguard is deemed necessary please take firearm to a qualified and competent gunsmith Removal installation instructions and torque specifications are available from Daniel Defense NOTE Removal is not necessary unless dirt has accumulated in or around the handguard 13 Remove the buttstock from lower receiver if equipped a Push the release lever up and extend the buttstock fully b Pull tabs of buttstock latch compressing spring completely and slide buttstock off the receiver extension 14 Depress the buffer maintaining pressure as the buffer is under spring tension to prevent it from being ejected when the buffer retainer pin is depressed Depress the buffer retainer pin to permit the buffer and the action spring to move forward Depress the hammer to allow the action spring and the buffer assembly to continue moving forward and be completely removed from the receiver extension A IMPORTANT DO NOT STRIP YOUR FIREARM FURTHER THAN PREVIOUSLY DESCRIBED IF ADDITIONAL M
45. ng the muzzle a fired projectile is followed by extremely hot propellant gases and unburned powder exiting at a very high velocity This phenomenon is the cause for the loud muzzle blast associated with the discharge of a firearm With the use of a sound suppressor the muzzle blast is effectively contained and controlled resulting in more gradual pressure reduction and a subsequently less violent muzzle blast In addition the design of the DDM4 ISR fully integrates the suppressor with the barrel and gas system of the host firearm By doing so a larger interior volume can be exploited to reduce back pressure that would otherwise force more fouling back into the firearm s barrel and upper receiver A proprietary gas block has also been incorporated to allow functioning of both supersonic and subsonic loads without any additional modifications to the action of the firearm DANIEL DEFENSE P13 4 1 AMMUNITION SELECTION A WARNING NOT ALL AMMUNITION WILL PRODUCE THE SAME RESULTS Daniel Defense recommends that you only use high quality commercially available ammunition that is clean dry in good condition and of the appropriate caliber for your firearm The use of remanufactured or hand loaded ammunition is not recommended If you have any questions about the suitability of a particular type of ammunition please contact the ammunition manufacturer or Daniel Defense Technical Support for more information FIREARM SUITABLE AMMUNITION CHAMBER
46. ntil you have completed firing or emptied the magazine A WARNING THIS IS A SEMI AUTOMATIC FIREARM AND IS IMMEDIATELY LOADED AND READY TO FIRE AFTER EACH SHOT UNTIL THE MAGAZINE IS EMPTY TO UNLOAD THE FIREARM THE MAGAZINE MUST BE REMOVED AND THE BOLT CARRIER GROUP MUST BE PULLED TO THE REAR WITH THE CHARGING HANDLE TO EXTRACT ANY REMAINING ROUND FROM THE CHAMBER A WARNING THIS FIREARM CAN ALSO BE FIRED WITHOUT A MAGAZINE IN PLACE DANIEL DEFENSE 25 6 Release trigger remove finger from trigger and set selector lever to SAFE If you have fired the last round from the magazine the bolt will be held to the rear so that the firearm can quickly be reloaded by replacing the magazine or the chamber can be inspected to make sure it is empty A WARNING WHILE FIRING IF YOU NOTICE A DIFFERENCE IN SOUND OR RECOIL STOP FIRING A BULLET COULD BE STUCK IN THE BARREL IF YOU FIRE AGAIN BEFORE CLEARING THE BLOCKAGE THE BARREL MAY BULGE OR BURST AND CAUSE INJURY IF THIS OCCURS RETRACT THE BOLT SLOWLY TO REMOVE AND IDENTIFY THE FIRED CARTRIDGE CASE CLEAR THE FIREARM AND MAKE SURE THE BORE IS CLEAR ANY UNBURNED PROPELLANT OR OBSTRUCTION IN THE BORE MUST BE REMOVED BEFORE FIRING AGAIN TO PREVENT RISK OF DAMAGE AND INJURY A WARNING IF YOUR FIREARM FAILS TO FIRE HOLD IT KEEPING IT POINTED TOWARD THE TARGET AND WAIT 30 SECONDS IF A HANGFIRE SLOW IGNITION HAS OCCURRED THE ROUND SHOULD FIRE WITHIN 30 SECONDS IF THE ROUND DOES NO
47. on 2 Wait 30 seconds a hangfire Slow ignition has occurred the round will fire within 30 seconds If round still does not fire after 30 seconds Cycle the bolt to eject the round e Examine the primer If the firing pin indent on the primer is light off center or nonexistent have your firearm examined by a competent gunsmith before continuing to fire If the firing pin indent on primer appears normal in comparison with similar previously fired rounds assume faulty ammunition segregate the misfired round from all other live ammunition and empty cases reload and continue firing NOTE 1 It is normal for a light firing pin indent to appear on the primer of cartridges that have been fed into the chamber but not fired NOTE 2 Dispose of any misfired rounds in accordance with the ammunition manufacturer s instructions A CLEANING AND STORAGE CAUTIONS 1 ALWAYS make sure your firearm is completely UNLOADED before you attempt to clean or store your firearm 2 ALWAYS store your firearm and ammunition SEPERATELY and SECURELY out of reach of anyone who should not have access to them a Keep it out of reach of children and others who are not trained in the safe handling of firearms b Keep firearms and ammunition locked securely when not in use to prevent them entering the wrong hands A FIREARM ABUSE CAUTIONS 1 NEVER abuse or mistreat your firearm a Keep carry and use it carefully 2 NEVER use it for any pur
48. ots disengaging the trigger sear surface from the hammer The hammer spring drives the hammer forward to strike the firing pin which in turn strikes the primer in the base of the cartridge igniting the priming compound which ignites the main powder charge High pressure gasses produced by the powder charge push the bullet down the barrel where rifling grooves impart a stabilizing spin to the bullet As a bullet passes the gas port a small hole in the top of the barrel below the gas block gas escapes through the port flows through the gas tube into the bolt carrier chamber driving the bolt carrier group rearward As the bolt carrier moves to the rear the firing pin is withdrawn into the bolt while the cam track in the bolt carrier acts upon the bolt LIGHTER STRONGER BETTER cam causing the bolt to rotate until its locking lugs are longer in engagement with the lugs of the barrel extension The bolt is now unlocked and is carried rearward by the bolt carrier The extractor extracts the spent case and holds it against the face or bolt until the ejector throws the spent case through the ejection port The bolt carrier group continues rearward compressing the action spring and returning the hammer to its cocked position until the buffer assembly strikes the bottom of the receiver extension and stops The action spring then forces the bolt carrier group forward as the face of the bolt pushes the next round of ammunition from the m
49. pose other than shooting 3 NEVER dry fire when the upper is separated from the lower a The hammer can permanently damage the lower receiver 4 NEVER alter parts DANIEL DEFENSE P7 SUPPRESSOR HANDLING CAUTIONS DDM4 ISR 1 ALWAYS ENSURE THAT THE MONOLITHIC BAFFLE IS SECURE IN THE SUPPRESSOR ASSEMBLY BEFORE SHOOTING a Upon cleaning or performing maintenance on the suppressor assembly always ensure that the baffle is securely tightened in place before firing See Section 5 6 Suppressor Maintenance for more details b Serious injury may result from improper baffle installation 2 NEVER DISCHARGE THE FIREARM WITH ANY LIQUID INSIDE OF SUPPRESSOR ASSEMBLY a The presence of liquid may induce dangerous pressure fluctuations upon firing b Doing so may result in damage to the firearm serious injury or both c Always carefully remove any liquid oils solvents etc before shooting 3 SUPPRESSOR WILL GET EXTREMELY HOT The suppressor will become extremely hot when fired and can retain heat for a long time 4 ALWAYS be cautious of hand placement and the proximity of the barrel suppressor assembly to others and flammable objects 5 ALWAYS be careful not to rest the hot suppressor against anything you don t want to damage injure or melt with heat 6 ANY MAINTENANCE REQUIRED PAST WHAT IS DESCRIBED IN THIS MANUAL SHOULD ONLY BE ATTEMPTED BY A QUALIFIED GUNSMITH a Modifying or attempting to remove suppressor components other than t
50. r of the target Adjust the FRONT sight post by depressing the sight plunger then turn the number of clicks calculated from the following chart ELEVATION CHANGE IN POINT OF IMPACT FRONT SIGHT ADJUSTMENT VERTICAL CHANGE OF IMPACT PER CLICK INCHES 257 INCHES 50 INCHES 1007 V1 V2 V4 300SBR MK18 MK18 amp 300 Pistol V3 V5 M4A1 12 V7 Ambush ISR DATA ASSUMES Rear 1 and Front Sight second to last T Mark or FSB To move next shot group UP turn front sight post CLOCKWISE move next shot group DOWN turn front sight post COUNTERCLOCKWISE DANIEL DEFENSE P17 6 If your shot group is not centered on the target WINDAGE measure the distance from the center of the target Adjust the REAR sight by rotating the windage wheel on the right side the number of clicks you calculate from the following chart WINDAGE CHANGE IN POINT OF IMPACT DD 1 5 REAR SIGHT HORIZONTAL CHANGE OF IMPACT PER CLICK INCHES 257 INCHES 50Y INCHES 100Y V1 V2 V4 300SBR MK18 18 amp 300 Pistol V3 V5 M4A1 MK12 V7 Ambush ISR V9 V11 DD5v1 DATA ASSUMES Rear Sight T 1 and Front Sight second to last T Mark or FSB To move next shot group RIGHT turn front sight post CLOCKWISE To move next shot group LEFT turn front sight post COUNTERCLOCKWISE 7 Repeat firing groups of five rounds and adjust the sights as described above until
51. red in 300 AAC Blackout is designed to function with a variety of brands and types of factory manufactured ammunition in the appropriate caliber loaded to both supersonic and subsonic velocities The ISR s integral suppressor is very effective at reducing both muzzle blast and muzzle flash The other sound component sometimes found in gun shots is the crack of a supersonic projectile which cannot be reduced by any silencer or suppressor Ammunition for the 300 AAC Blackout and 300 Whisper can be purchased usually around 190 220 grains which are loaded with a powder charge that accelerates the projectile to just under the speed of sound Subsonic 300 AAC Blackout ammunition often produces the best reduction in perceived sound in the ISR platform Supersonic 300 AAC Blackout ammunition generally utilizes projectiles from 110 grains and up accelerated to speeds faster than that of sound Supersonic ammunition often offers a flatter trajectory and delivers more energy to the target DANIEL DEFENSE P15 4 2 SIGHTS Depending on the particular platform your firearm may have a mechanical sighting system which allows you to adjust for variations in windage horizontal adjustment and elevation vertical adjustment The rear sight is adjustable for windage and the front sight is adjustable for elevation The firearm has indexing numbers T Marks on the mounting rails of the upper receiver and handguard to show locations for mounting accessories
52. tridges c Never place fingers in ejection port as they could be burned by hot metal or injured by the bolt moving forward NEVER put your finger in the trigger guard until your sights are on the target and you are ready to shoot a Keep your trigger finger on the receiver beneath the magazine button when you are not ready to fire ALWAYS be sure of your target and what is beyond it a Bullets can travel great distances and still cause great damage and even death b If there is any doubt about your target or backstop or anything else DO NOT SHOOT LIGHTER STRONGER BETTER 7 NEVER fire a firearm if you suspect water is in the barrel or gas tube If your firearm is exposed to heavy rain fog or other sources of water open the bolt and allow water to drain before firing b Be sure to clean and lubricate a wet firearm as soon as possible 8 NEVER shoot your firearm near any flammable or explosive materials a Understand that flames may exit from your muzzle or ejection port 9 NEVER fool around or act carelessly when handling or being around firearms a Your carelessness can result in severe damage injury or death 10 NEVER follow another person when your firearm is loaded and ready to fire a Keep the safety selector set to SAFE b Always pay attention to and control the direction of the muzzle MALFUNCTION CAUTIONS IF YOU EXPERIENCE A FAILURE TO FIRE 1 ALWAYS keep the firearm pointed in a safe directi
53. uld start a corrosion process 12 Reassemble the firearm a 5 4 Insert the buffer action spring and buffer into the receiver extension buffer tube on the rear of the lower receiver The buffer retaining pin should prevent any forward movement of the buffer action spring Install the buttstock onto the lower receiver Pull the release lever down and push the buttstock forward on the receiver extension buffer tube Insert the bolt into the bolt carrier Take care to ensure the chamfered edge of the bolt body where the cam pin sits is facing downward The cam pin should be inserted from the opposite side of the chamfered edge Another way to ensure proper bolt installation is to verify that the extractor is oriented to the right side of the bolt carrier Insert the cam pin into the bolt and bolt carrier Rotate the cam pin 90 degrees to allow the firing pin to fully seat into the bolt not necessary 005 Insert the firing pin Insert the firing pin retaining pin from the left to right of the bolt carrier Install the charging handle into the upper receiver by pushing it forward approximately one inch 7 5 005 into the keyway and then up into the upper receiver You will not insert the charging handle all of the way until it latches With the bolt fully extended forward install bolt carrier group into the upper receiver Orient the gas key so that it fits into the charging handle Slide entire bolt carrier group forward and
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