OPERATING AND SAFETY INSTRUCTION MANUAL
Contents
1. D i Gas Tube Roll Pin MS16562 106 A es Front Sight 9349054FSHA BARREL ao LENGTH HEAVY ae STYLE CHROME M MO TRDEN SIRES WITH HARD SOME LINED AND CHAMBER STANDARD ODEL RIFLE AVAILABLE WITH 20 24 OR 26 BBL Front Sight Pins 2 Taper Pin Pree nt Sling Swivel 8448571 Front Sling Swivel Rivet 8697 844 REAR SIGHT ASSEMBLY COMPONENTS Rear Sight Windage Screw 9349076 Rea es eee oe a 7 S080 Rear Sight Ss Windage lt Q Knob Pin XA MS1656 103 TF Ie Index Screw 9349065 LA Rea In het eevee ear ol indage Elevatioi nol N S gt en o 8849070 00 9M SO Sa arin ee en es SF Rea ar Sight Aperi ratur a8 y Rear Sight Flat Spring 8448536 Rear Sight Ball Bearing MS19060 4808 ar Sight Index p ng 9349069 Upper Receiver 9349063 Spring Pin Forged of 7075T6 MS16562 103 Aircraft Quality Alumi Pawl Spring 8448542 Pawl Detent 8448544 dA Spring es DISASSEMBLY VIEWS Bushmaster XM15 E2S Rifle Lower Receiver Magazine Groups FOR 20 BARRELLED RIFLE e Caliber 223 Rem 5 56 Mm e Mode of Fire Safe Semi Automatic e 30 Round Magazine e 39 25 Length Overall e 20 Barrel Length e Rifling 1 in 9 Right Hand Twist e Weight w o Mag 8 27 Lbs 3 75 kg Buffer Assembly B k 8448615 9349121 Buffer Retainer 8448582 Buttplate Hammer with J pin Buffer Retainer 8448612 SK uttplate Spring 8448583 d a Screw H g qf ee i Safety Selector Lever Ex2. DELTA RING lt K a B SS SF 5 A Ik MUU Above A Bushmaster V Match Flat Top Style Upper Receiver And A3 Type Removeable Carry Handle Right an early A1 Upper Receiver note the rear sight differences CLEARING YOUR RIFLE 1 Point Rifle in a SAFE DIRECTION Place Safety Selector Lever on SAFE If the rifle is not cocked the Selector Lever cannot be pointed toward SAFE CARRYING HANDLE A3 Removeable type is illustrated at lower left BUTTPLATE ASSEMBLY WITH TRAPDOOR STORAGE A2 TYPE UPPER RECEIVER TAKEDOWN PIN BOLT CATCH SAFETY GRIE SELECTOR LEVER BUTTSTOCK 2 Press Magazine Catch Button and pull Magazine down to remove CLEARING YOUR RIFLE continued 3 To Lock Bolt Open Pull Charging Handle rearward Press bottom of Bolt Catch and allow Bolt to move forward until it engages Bolt Catch Return Charging Handle to forward If you haven t before place Safety Selector Lever on SAFE 4 Check Receiver and o _ S Chamber to ensure there is x VND no ammunition in the rifle ay ra WORA Ia wi T P 5 With Selector Lever pointing toward SAFE allow Bolt to go forward by pressing upper portion of Bolt Catch DISASSEMBLING YOUR RIFLE 1 Clear your Rifle and disconnect the Sling 2 Push in Takedown Pin as far as it will go Pivot Upper Receiver away from Lower 4 Separate Upper
3. WARRANTY Bushmaster Firearms Inc products are warranteed to be free from defects in material and workmanship Warranty cards are included with all firearms and should be completely filled out and sent to Quality Parts Company to activate the terms of the warranty Any such defect of which Bushmaster Firearms Inc is given written notice as provided below within one year and ten days from the date of first purchase by a customer will be remedied by Bushmaster Firearms Inc without notice This warranty is granted by Bushmaster Firearms Inc 999 Roosevelt Trail Windham ME 04062 Warranty claims in writing and the firearm concerned should be directed transportation charges prepaid to the Warranty Service Department Bushmaster Firearms Inc 999 Roosevelt Trail Windham ME 04062 Warranty claims should state the model and serial number of the gun concerned a description of the difficulty experienced and the date of purchase It is recommended that shipment be insured by owner since Bushmaster Firearms Inc will accept no responsibility for loss or damage in transit Transportation and insurance charges for return to owner will be paid by Bushmaster Firearms Inc if the related claim is a proper claim for warranty work A SAFETY NOTE REGARDING LEAD Discharging firearms in poorly ventilated areas cleaning firearms or handling ammunition may result in exposure to lead a substance Known to cause birth defects reproductive harm and other se
4. condition could indicate an incomplete powder burn and or a bullet stuck in the bore Also see Page 45 Retract the bolt slowly and remove the fired cartridge case Clear the weapon and check for unburned powder grains in the receiver or bore and for a bullet stuck in the bore Clean out any unburned powder before resuming firing If a bullet is stuck in the bore do not attempt to remove it Take the rifle to a qualified gunsmith LOADING CAUTION ALWAYS POINT THE MUZZLE IN A SAFE DIRECTION 3 FIRE O ym N lt _ SAFE e D 1 With Hammer cocked 2 Open Bolt and check Chamber place Selector Lever on SAFE Make sure it is clear OPERATION OF YOUR RIFLE INSERTING A MAGAZINE 3 Push Magazine up into Magazine Well until Magazine Catch engages and holds the Magazine OPERATION OF YOUR RIFLE CHAMBERING A ROUND with Bolt Assembly Open 4 Tap upward on Magazine bottom to make sure it s seated correctly NOTE The Magazine may be inserted into the Rifle with Bolt Assembly open or closed BOLT CATCH as Ss x 1 Depress upper portion of Bolt Catch Bolt should spring forward FORWARD ASSIST 2 TAP the Forward Assist to ensure Bolt is fully forward and locked OPERATION OF YOUR RIFLE CHAMBERING A ROUND with Bolt Assembly Closed 2 Release the Charging Handle SSS BE A F w i Aah FORWARD i ASSIST th NEVER Ride or push the Charging 3 TAP
5. from around the gas tube run a pipe cleaner into the gas tube clean the bolt locking lugs bolt rings firing pin bolt cam pin lip of the extractor and inside the bolt carrier from both front and rear 4 Wipe all components clean and dry and inspect A SMALL TOOTHBRUSH for excessive wear corrosion or mechanical damage WILL REMOVE BUILT UP Replace any defective parts before firing again call us at 1 800 998 SWAT for any parts needs CLEANING THE LOWER RECEIVER 1 Clean all areas of Powder Fouling Corrosion Dirt and Rust Again never use a wire brush or any type of abrasive to clean the Aluminum Lower Receiver 2 Wipe any dirt from the Trigger Mechanism CleanCLEAN THE DRAIN HOLE IN the Buffer Action Spring and inside THE BUTTPLATE SCREW the Lower Receiver Extension the Buffer Tube aarti io WIPE INSIDE OF BUFFER ee PPE 7 TUBE CLEAN CLEANING THE EJECTOR The design of the Ejector makes its disassembly for cleaning somewhat impractical i e we don t recommend it Make sure your Bushmaster ejects empty cases efficiently by following these steps on a monthly basis more frequently if firing blanks 1 Remove the Bolt from the Carrier as described on previous pages Hold it as shown with the Ejector down and the Extractor up 2 Dribble a few drops of CLP around the Ejector to form a puddle 3 Take a fired or dummy case and place it under the lip of the Extractor With a rocking motion
6. mark is aligned with the mark on the left side of the receiver ZEROING ADJUSTMENTS 300 METERS 1 During zeroing procedures only the front sight post and windage knob ON THE are adjusted to move the strike of the bullet on the target ELEVATION KNOB l dial rotated down 2 If you are zeroing on a 25 meter range the rear sight elevation knob is adjusted to the 300 meter mark plus one click up 3 Also see the detailed zeroing procedures on the following pages FRONT SIGHT To adjust elevation depress detent and rotate post To raise strike of bullet rotate post in the direction of arrow marked UP Reverse the direction of rotation to lower strike of bullet Each graduation notch moves the point of impact of bullet as indicated IMPACT DISTANCE 0 9 cm 3 8 in 25 meters 3 5 cm 1 3 8 in 100 meters 7 0 cm 2 3 4 in 200 meters ZEROING ADJUSTMENTS continued FOR WINDAGE KNOB per click WINDAGE KNOB IMPACT DISTANCE POINTER 0 3 cm 1 8 in 25 meters 1 25 cm 1 2 in 100 meters 2 50 cm 1 in 200 meters WINDAGE 3 8 cm 1 1 2 in 300 meters SCALE 5 0 cm 2 in 400 meters 6 3 cm 21 2 in 500 meters 7 6 cm 3 in 600 meters 8 8 cm 3 1 2 in 700 meters 10 0 cm 4 in 800 meters AIl the above values have been rounded off To remember your correct zero windage note location of Windage Scale and Windage Knob Pointer heavy mark on outside of knob Once you have established your correct zero win
7. the Forward Assist to ensure Handle Let it move forward on its own Bolt is fully forward and locked NOTE lf the Rifle is not going to be fired immediately make sure the Selector Lever is still on SAFE and close the Ejection Port Cover to keep out dirt IMMEDIATE ACTION in case of trouble IF YOUR RIFLE STOPS FIRING Perform the following immediate actions FIRING CHAMBER gt 4 RI idee es s eee gA iae Pees pan r A E TES gt 1 O o o gt S if NA lt lt Ys 3 it 1 SLAP upward on Magazine to make 2 PULL Charging Handle all the way back sure it s seated properly Observe ejection of case or cartridge Check Chamber for any obstruction WARNING DO NOT LOAD WITH A HOT CHAMBER A ROUND MAY COOK OFF meaning it may fire from the heat of the chamber IMMEDIATE ACTION in case of trouble continued 3 If cartridge or case is ejected or chamber is clear RELEASE Charging Handle to feed a new round Don t ride the Charging Handle forward reer SS 7 orate Hi AR AWAN 4 TAP Forward Assist 5 Now FIRE If the Rifle won t fire look for trouble and apply remedial action See next page REMEDIAL ACTION WARNING If your rifle stops firing with a live round in the chamber of a hot barrel remove the round fast However if you cannot remove it within 10 seconds remove the magazine and wait 15 minutes with the rifle pointing in a safe direction a
8. use the forward assist it is probably time you cleaned your rifle pay particular attention to the locking lug areas in the chamber and on the bolt CAUTION ALWAYS CHECK THAT AMMUNITION IS CLEAN AND UNDAMAGED BEFORE USING THE FORWARD ASSIST Forcing dirty or damaged ammunition into the chamber could damage your rifle and could result in injury death or property damage 31 The Front Sight Post is moved up and down when Zeroing the Rear Sight ADJUSTABLE FRONT SIGHT POST A Once the Rear Sight is zeroed the Front Sight Post should not be moved N Ke A2 DUAL APERTURE REAR SIGHT See Page 36 for A1 Sight information SHORT RANGE This larger aperture is tm used for 0 200 meters range As shown above the sight is set tor O 200 meters This NORMAL RANGE The smaller aperture is larger aperture is only used when the 8 3 unmarked and is used for most firing marking is aligned with the vertical mark on situations It is used in conjunction with the the left side of the upper receiver elevation knob for 300 400 500 600 700 32 and 800 meter targets ZEROING YOUR SIGHTS This is the procedure to follow in order to Zero your mechanical sights 1 In this procedure the Front Sight Post and Rear Sight Windage Knob are adjusted so that you can hit your point of aim at 300 meters 2 Flip the unmarked smaller aperture to the up position as shown 3 Set the Rear Sight so that the 300 meter
9. BFI OP MANUAL PDF Version WARNING BEFOREUSING THIS FIREARM READ AND FOLLOW THESE INSTRUCTIONS If there is anything you do not understand get help from someone qualified in the safe handling of firearms For all BUSHMASTER XM15eVodels OPERATING AND SAFETY 22 sight Systems INSTRUCTION MANUAL Wane Aas PLEASE PRACTICE SAFE FIREARMS HANDLING This instructional manual should always accompany your Bushmaster firearm JN warnine IF THIS FIREARM IS CARELESSLY OR IMPROPRERLY HANDLED UNINTENTIONAL DISCHARGE COULD RESULT AND COULD CAUSE INJURY DEATH OR DAMAGE TO PROPERTY AN CAUTION CAREFULLY READ THIS INSTRUCTION MANUAL PRIOR TO LOADING AND FIRING THIS FIREARM FOLLOW ALL INSTRUCTIONS ON THE PROPER HANDLING AND SAFE USE OF THIS FIREARM LIVES MAY DEPEND ON IT If unfamiliar with firearms seek further advice through safe handling courses run by your local gun clubs NRA approved instructor or similar qualified organizations AN CAUTION USE ONLY CLEAN DRY HIGH QUALITY COMMERCIALLY MANUFACTURED AMMUNITION IN GOOD CONDITION which is appropriate to the 223 Rem caliber of your firearm We do not recommend the use of remanufactured or hand loaded ammunition because it may damage your rifle Use of improper ammunition will invalidate your warranty WARNING THIS WEAPON COULD CHAMBER A ROUND if it is dropped or jarred with a loaded magazine in place either with the Bolt Carrier Assembly locked to the rear or in its forwar
10. ER XM15 E2S RIFLE The Bushmaster XM15 E2S rifle system consists of a rifle a magazine and a sling It is a lightweight gas operated air cooled magazine fed shoulder fired weapon that can be fired in a semi automatic mode i e a single shot each time the trigger is pulled e The upper receiver and barrel assembly has a fully adjustable rear sight e The upper and lower receivers are easily opened for cleaning and inspection e The bolt group and barrel extension are designed with locking lugs that lock the bolt group to the barrel extension e The forged aluminum upper and lower receivers reduce the weight of the rifle e The bore and chamber are chrome plated for long life and ease of maintenance e Caliber 223 Remington 5 56 mm e Weight depends upon model 20 Bbl Rifle 8 27 lbs 3 75 kg e Length depends upon model 20 Bbl Rifle 38 25 97cm e Barrel Rifling R H twist 1 in 9 6 lands amp grooves e Firing characteristics muzzle velocity approx 3 260 fos chamber pressure 52 000 psi e Maximum effective rate of fire 45 rounds per min semi automatic e Max effective range 550 meters individual point targets 800 meters area targets e Maximum range 3534 meters 2 TABLE OF CONTENTS Rifle Parts and Where To Find Them Clearing Your Rifle Disassembling Your Rifle Cleaning Inspection Lubrication 13 Detailed Cleaning Techniques Cleaning the Upper Receiver 15 Cleaning the Lowe
11. G PIN GOES IN BACK OF LARGE SHOULDER ON FIRING PIN Too much oil in Firing Pin recess Defective Ammunition Too much carbon on Firing Pin or in Firing Pin recess TROUBLESHOOTING continued PROBLEM CHECK FOR WHAT TO DO BOLT WON T Dirty or burred Bolt Clean or see a qualified gunsmith UNLOCK WON T EXTRACT Broken Extractor Spring See a qualified gunsmith Dirty or corroded Ammo Remove stuck round push out with cleaning rod Carbon in Chamber Clean Chamber Fouling or carbon in Clean Extractor Extractor recess or lip TROUBLESHOOTING continued PROBLEM CHECK FOR WHAT TO DO WON T FEED Dirty or corroded Ammo Clean Dirty Magazine Clean Defective Magazine Replace Too many rounds in Take out excess Magazine Action of Buffer Take out Buffer and Spring Clean them Assembly is restricted Magazine not fully Adjust Magazine Catch seated PRESS MAGAZINE CATCH BUTTON ON RIGHT SIDE TROUBLESHOOTING continued PROBLEM CHECK FOR WON T FEED continued DOUBLE FEED Defective Magazine WON T CHAMBER Dirty or corroded Ammo Damaged Ammo Carbon in Chamber or on Gas Tube What To Do Turn Catch Clockwise to tighten and Counterclockwise to loosen TURN CATCH ON LEFT SIDE Replace Clean TROUBLESHOOTING continued PROBLEM CHECK FOR WON T LOCK Dirt corrosion or carbon buildup in barrel locking WON T EXTRACT Frozen Extractor Restricted Buffer As
12. and Lower Receivers 5 Pull back Charging Handle and Bolt Carrier 8 DISASSEMBLING YOUR RIFLE continued 7 Remove Charging Handle by pulling back and up gt DO NOT OPEN OR CLOSE SPLIT END OF PIN 8 Remove Firing Pin Retaining Pin DISASSEMBLING YOUR RIFLE continued 9 Push Bolt in to locked position 11 Remove Bolt Cam Pin GIVE CAM A S PIN A 1 4 TURN AND LIFT OUT 12 Remove Bolt Assembly from Carrier DISASSEMBLING YOUR RIFLE continued DISASSEMBLE USING STEPS 13 THRU 16 ONLY WHEN DIRTY OR DAMAGED PUSH EXTRACTOR PIN OUT NOTE Press rear of extractor to check spring function 13 Remove Extractor Pin by pushing out with a punch or the tip of a bullet 14 Remove Extractor and Spring CAUTION Extractor Spring may pop out and get lost DISASSEMBLING YOUR RIFLE continued a LAL rs aK 4 ate BUFFER RETAINER FIT ae Sh ere ot s m na tey 4 Py an te ti gt t e taty 7420 sart ey 2 Tr 7 fi oy fe te le 15 Press in Buffer depress Retainer and release Buffer 16 Remove Buffer and Action Spring nm A Tee ry DDD The Handguards may be disassembled at any point in your cleaning procedures as necessary see Pg 27 Buddy System instructions If your Rifle is equipped with the A3 Type Removeable Carry Handle that may be removed for cleaning by l
13. d Ejector properly within the Upper Receiver 7 FIRING PIN 6 Drop in and seat the Firing Pin GIVE 4 CAMPIN A 1 4 TURN AFTER INSERTION REASSEMBLY continued NOTE Firing Pin should not fall out when Bolt Carrier Group is turned upside down 8 Replace Firing Pin Retaining Pin 10 Position Carrier Key in slotted bottom of Charging Handle Slide in Bolt Carrier Group CAUTION Bushmaster does not recommend the practice of swapping bolts between different rifles Doing so could result in damage personal injury or death 25 REASSEMBLY continued 11 Push Charging Handle and Bolt Carrier group into receiver together CAUTION Selector Lever should be on SAFE 13 Engage Receiver Pivot Pin before closing Upper Receiver 26 REASSEMBLY continued 14 Close the Upper and Lower Receiver groups and push in the Takedown Pin When re attaching the Handguards use The Buddy System 15 Place the Rifle on the Buttstock and press down on 7 the Slip Ring with both hands Note The Half Round Handguards are identical and can be used on top or bottom 16 Have your buddy install one handguard on top and the other on the bottom 17 Re attach the Sling MAGAZINE DISASSEMBLY REASSEMBLY 1 Release Base Catch b prying up gently on ne 2 Remove Magazine Floor Plate by sliding Magazine Floor Plate i it out of the Magazine Body just enough to clear 3 Jiggle Spr
14. d position PLEASE PRACTICE SAFE FIREARMS HANDLING EUNDAMENTAINR UES SAREIGUNIR AN DIEING ALWAYS KEEP THE GUN POINTED IN A SAFE DIRECTION NEVER LOAD THE GUN UNTIL READY TO USE KEEP YOUR FINGER OFF THE TRIGGER UNTIL READY TO SHOOT A WARNING BEWARE OF DANGEROUS PROCEDURES e Be sure cam pin is installed in the bolt group If it isn t your rifle can still fire and will explode e If you are using a blank firing attachment never fire anything except blank rounds for safety we recommend the visible military style blank firing attachment e If your rifle stops firing with a live round in the chamber of a hot barrel a misfire remove the round fast However if you cannot remove it within 10 seconds remove magazine and wait 15 minutes with the rifle pointing in a safe direction This way you won t get hurt by a possible round cooking off i e the round detonating just from the heat of the barrel In any event keep your face away from the ejection port while clearing a hot chamber e If your bolt fails to unlock and you try to free it by banging the buttstock on the ground keep yourself clear of the muzzle e f there s water in the barrel do not fire the rifle It could explode e If a noticeable difference in sound or recoil is experienced STOP FIRING Either condition could indicate an incomplete powder burn and or a bullet stuck in the bore ALWAYS PRACTICE SAFE FIREARMS HANDLING FACTS ABOUT YOUR BUSHMAST
15. dage leave your Windage Scale and Windage Knob Pointer on these settings at all times 25 METER ZEROING PROCEDURES Place an appropriate 25 Meter Paper Sighting Target 25 meters downrange and follow the steps below to establish a battlesight zero 1 Do not move the front sight post on your Bushmaster XM15 E2S rifle at this time It was set at the factory and should be very close to your zero 2 Center the rear sight aperture by turning the windage knob left or right This is called Mechanical Zero Windage 34 3 The Unmarked smaller Aperture should be up 25 METER ZEROING PROCEDURES continued 4 Now rotate the elevation knob up one click past the 300 meter mark From this point on the elevation knob should not be moved Any changes in elevation required in the following zeroing steps are made to the front sight post only 5 Carefully aim and fire at the center of the target bull s eye 6 If your shot group is not in the center of the bull s eye use the squares on the target sheet to calculate the required clicks necessary to move your next shot group into the bull s eye Remember any changes in elevation are made by moving front sight post only 7 In order to raise your next shot group rotate the front sight post clockwise One click of the front sight post will move the the bullet strike one vertical square on the target sheet In order to lower your next shot group rotate the front sight post co
16. ensure that the lubricant is spread evenly above below and around the threads of the 1 Elevation knob 2 Elevation screw shaft 3 Windage knob WINDAG 4 Windage screw 5 Detent holes Elevation Screw Shaft Also lube from inside the upper receiver as follows WINDAG 1 Turn er receiver upside down Turn upp iver upsi w SCREW 2 Remove charging handle 3 Put 2 or 3 drops on bottom of elevation screw shaft and in elevation detent spring hole BOTTOM OF ll ELEVATION W 4 Rotate the elevation dial back W SCREW SHAFT naam AND DETENT punia SPRING HOL and forth a few times while keeping upper receiver upside down REASSEMBLY 1 Insert Action Spring and Buffer Depress Buffer Detent and push Buffer in past the Detent then release Note Extractor Assembly has a Rubber Insert within the Spring Be sure not to lose it If the Spring comes loose put the large end of the spring in the extractor and seat it a bullet tip works well DETENT SPRING ELEVATION KNOB REASSEMBLY continued STAGGER THE GAS RING GAPS TO REDUCE GAS LOSS Position the three ring gaps 120 apart around the bolt 4 Slide Bolt into Carrier REASSEMBLY continued WARNING Be sure the Cam Pin is installed in the Bolt Group If it isn t your rifle can still fire and will explode NOTE The Bolt is machined so as to allow insertion of the Cam Pin from one side only This provision aligns the Extractor an
17. gt ee CJ SoH VE es 1 Battlesight zero is that setting on the Rifle s sights which will cause the point of aim and strike of the bullet to be the same at 250 meters 2 When using the L marked aperture the path of the bullet will cross the line of sight at 25 meters Hence zeroing is now conducted with point of aim and point of impact being the same see chart on next page 36 A1 SIGHTS DIFFERENCES amp ADJUSTMENTS continued NOTE To zero the rifle adjust the front sight elevation and the rear sight windage so that you can hit the aiming point at a given range DONG RANGE RSERTURE REGULAR APERTURE FRONT SIGHT To adjust elevation depress detent and rotate post as described previously for A2 Front Sight Post The 5 notches of the A1 post allow for a finer adjustment than does the square A2 Post with 4 notches NOTE Bushmaster uses only the newer A2 square front sight post REAR SIGHT To adjust windage depress detent and rotate drum to direction you want Each notch moves the point of impact of bullet as indicated in chart 1 To move point of impact to right turn drum clockwise in direction of arrow and letter R 2 To move point of impact to left turn drum counterclockwise IMPACT DISTANCE 0 7cm 17 64 in 25 meters 2 8cm 1 3 82 in 100 meters 5 6cm 2 13 64 in 200 meters OPERATION OF YOUR RIFLE WARNING If a noticeable difference in sound or recoil is experienced STOP FIRING Either
18. ing and Follower to remove Do not remove the Follower from the Spring TO CLEAN and LUBRICATE Wipe dirt from Magazine Body Spring and Follower Then lightly lubricate the Spring REASSEMBLY is reverse of steps above Make sure to slide the base under all four 28 tabs until it snaps back under the catch PREVENTATIVE MAINTENANCE CHECKS amp SERVICES CHECK BEFORE YOU FIRE 1 Check to see that there is no excessive oil in the Bore If there is swab it out with a patch and the cleaning rod 2 Retract the Bolt to ensure free movement between Bolt Carrier and Gas Tube 3 Perform Safety Function Check to ensure that See Safety Check next page Safety Selector Lever works properly Then back to Step 4 4 Check to ensure that the Magazine is secure SAFETY FUNCTION CHECK UNLOAD RIFLE REMOVE MAGAZINE CHECK CHAMBER 1 Remove magazine if installed Pull Charging Handle assembly to rear Check that Chamber is clear Let Bolt and Bolt Carrier close Do not pull Trigger Leave Hammer in cocked position WARNING f Rifle fails any of the following tests continued use of the Rifle could result in injury to or death of personnel 2 Place Selector Lever in SAFE position and pull Trigger THE HAMMER SHOULD NOT FALL 3 Place Selector Lever in FIRE position Pull trigger THE HAMMER SHOULD FALL NOTE For the purpose of the following check SLOW is defined as one fourth to one half the normal
19. ion and repeat the process After three or four pulls the three rod sections and the bore brush may become screwed tightly together Loosen them up and repeat the process 8 Send a patch through the bore occasionally to help clean out the crud that the brush is getting loose Just replace the bore brush with the rod tip patch holder and a wet patch Pull it through If you leave the rods loose again the patch will track in the rifling as before But remember always have the bore wet with cleaner before trying to pull a brush through CLEANING THE UPPER RECEIVER NOTE Check to ensure that there is no looseness between the Barrel and the Upper Receiver if you detect any movement by twisting with your hands the barrel nut must be retorqued Bring the Rifle to a qualified gunsmith ATTACH HANDLE 1 Using a CLP type product clean all areas of Powder Fouling AND PULL THROUGH Corrosion Dirt and Rust Never use a wire brush or any type of abrasive to FROM CHAMBER clean the Aluminum Upper Receiver you ll scratch and damage the finish TO MUZZLE 15 CLEANING THE UPPER RECEIVER continued 2 Clean the Firing Chamber dip the larger chamber cleaning brush in CLP and use at least five plunge strokes and three 360 clockwise rotations Then swab out the bore as described previously to remove any contaminated solution or loosened crud 3 Use the bore cleaning brush still wet with CLP and clean carbon and powder residue
20. lude vans TH rd Thermoset Handguard 2 CHECK FOR Round jammed between Bolt and Charging Handle and or double feed WARNING KEEP CLEAR OF MUZZLE CAUTION AFTER ROUND IS REMOVED BOLT IS UNDER TENSION WHAT TO DO 1 Remove Magazine 2 Push in on the bottom of the Bolt Latch 3 While pulling down on Charging Handle bang the Rifle Butt on the ground Bolt should lock to the rear 4 While Bolt is held to the rear round should fall through the Magazine well NOTE lf this procedure fails use a section of cleaning rod to push the Bolt fully to rear through the Ejection Port 53 DISASSEMBLY VIEWS Bushmaster XM15 E2S Rifle Upper Receiver Barrel Bolt Carrier Sight Groups a Char arging Handle Latch Roll Pin 8448521 2 8448520 JT Bolt Car Bolt amp Bolt Carrier Assembly 8448501 S SPRS EDE ed ASSEMBLIES i COMEONENTS tier Key Screw 2 8448508 arrier Key 8448506 Pos Firing Pin Retaining Pin 8448504 a Cam Pin 8448502 arrier 8448507 Bolt Gas Rings 3 8448511K 0000 aa Extractor Pin 8448513 Jmm Roll Pin MS16562 98 Ejector Spring 8448516 Ext Extra i Sen Pie sert 8448754 Extractor 8448512 Bolt Assembly 8448509 Plun ae ocr tale 2 evi e562 i 03 wl rasai Forward Assist Assembly 9349086 See also next page T Front Sight Post 9349056 D Front Sight Detent 8448573 A Front Sight Detent Spring 8448574 a Handguard Cap 9349053
21. lways check that the SAFE direction remains safe during that time This way you won t get hurt by a possible round cooking off REGARDLESS KEEP YOUR FACE AWAY FROM THE EJECTION PORT WHILE CLEARING A HOT CHAMBER lf your Rifle still fails to fire after performing lf a cartridge case is in the chamber open Steps 1 through 5 on previous page check the receivers remove the bolt carrier and try again fora jammed cartridge case to tap out the case witha cleaning rod IF YOUR RIFLE STILL FAILS TO FIRE CHECK THE TROUBLESHOOTING SECTION IN THIS MANUAL OR TAKE THE RIFLE TO A QUALIFIED GUNSMITH BULLET STUCK IN THE BORE WARNING If an audible POP or reduced RECOIL is experienced during firing immediately CEASE FIRE Then 1 Remove the Magazine 2 Lock the Bolt to the rear 3 Place the Selector Lever on the SAFE position and 4 visually inspect and or insert a cleaning rod into the bore to ensure there is not a bullet stuck in the bore 4 Check for a 1 Remove the Magazine 2 Lock the Bolt 3 Place the Bullet in the Bore to the rear Selector Lever on SAFE DO NOT APPLY THE IMMEDIATE ACTIONS PREVIOUSLY DESCRIBED ON PAGE 43 IF A BULLET IS STUCK IN THE BARREL OF THE WEAPON DO NOT TRY TO REMOVE IT TAKE THE RIFLE TO A QUALIFIED GUNSMITH 45 TROUBLESHOOTING PROBLEM CHECK FOR WHAT TO DO WON T FIRE Selector Lever on SAFE Put it on FIRE Improper assembly of Assemble correctly Firing Pin RETAININ
22. oosening the 2 thumbnuts Clean as per instructions for aluminum Upper and Lower Receivers see Pg 16 RECOMMEND Lightly lubricate the thumbnut threads and the Rear Sight mechanism as BUSHMASTER DOES NOT ANY FURTHER 42 described on Pg 21 Lubrication Adjustable Rear Sight DISASSEMBLY CLEANING INSPECTION LUBRICATION After firing clean your rifle as soon as possible to make the job easier and to avoid allowing the development of any corrosion When your firearm has not been fired you should clean it at least once or twice a year if you live in a temperate climate or as often as once a week in a tropical climate If you get your firearm wet clean it as soon as possible Use a high quality rifle cleaning kit that includes a cleaning rod swab holder cotton flannel bore patches pipe cleaners a small toothbrush brass wire bristle bore and chamber brushes and a Cleaner Lubricant Preservative CLP in Army terminology After you have disassembled the rifle thoroughly clean inspect and lubricate all parts according to the techniques described on following pages DETAILED CLEANING TECHNIQUES NOTE The procedures below describe cleaning with a standard military issue multi piece rod cleaning kit Other commercial cleaning kits may include alternate cleaning instructions which may be just as effective CLEANING THE BORE The bore of your Bushmaster rifle has lands and grooves called rifling Rifling makes the b
23. press the case down against the Ejector Since the Ejector is spring loaded some resistance will be felt Press on the case until it stops against the bolt face Ease off with your thumb slightly and press down again Repeat several times Replace the CLP frequently Once the spring action of the Ejector is smooth and strong dry off any excess ROCK EMPTY CASE AGAINST EJECTOR TO LUBRICATE INSPECTION Before Lubricating 1 Check the Bolt Look for cracks or 4 Check the Cam Pin If it is cracked or fractures especially in the cam pin hole area chipped it should be replaced Bolts with pitting that extends into the firing WARNING IF THE CAM PIN IS MISSING pin hole should be replaced DO NOT FIRE THE RIFLE IT WILL 2 Check the Firing Pin If it is bent cracked too blunted or too sharp it should be replaced 5 Check the Extractor and Extractor Spring AS If the Extractor is chipped or has broken edges in the area of the lip that engages the 3 Check the Firing Pin Retaining Pin If itis cartridge rim it should be replaced Check that bent or badly worn it should be replaced the rubber insert is inside the Extractor Spring 18 LUBRICATION Upper Receiver Lightly lubricate the inside of upper receiver the bore and chamber using the cleaning rod and a patch the outer surfaces of barrel and front sight and surfaces under the handguard Be sure you lube in and around all the Locking Lugs see illustration a
24. r Receiver 16 Cleaning the Ejector Inspection before Lubrication Lubrication Upper Receiver Lubrication Lower Receivet oncate i Bolt Carrier Group Sreo 20 Reassembly 22 Magazine Disassembly Reassembly Preventative Maintenance Checks Safety Function Checks Adjustable Front Sight Past Dual Aperture Rear Sight Zeroing Your Sights Zeroing Adjustments 25 Meter Zeroing Procedure 34 A1 Sights Differences Adjustments Operation of Your Rifle Loading peloton SSH a Magazine 39 Remedial Action Bullet Stuck in the Bore 45 Troubleshooting Parts Illustration Limited Warranty 55 AN WARNING BEFORE USING THIS FIREARM READ AND FOLLOW THESE INSTRUCTIONS If there is anything you do not understand get help from someone qualified in the safe handling of firearms RIFLE PARTS AND WHERE TO FIND THEM Right Side REAR SIGHT ELEVATION KNOB CHARGING HANDLE a FORWARD ASSIST ASSEMBLY TRIGGER MAGAZINE RELEASE BUTTON REAR SLING LOOP D raaa REAR SIGHT WINDAGE KNOB FRONT SIGHT ASSEMBLY SPENT BRASS DEFLECTOR JAAMAN Annn Mm nn FRONT a SWIVEL EJECTION PORT BARREL COVER MUZZLE HANDGUARDS MAGAZINE RIFLE ACCEPTS ALL CAPACITY AR15 M16 TYPE RIFLE PARTS AND WHERE TO FIND THEM Left Side A2 SQUARE FRONT SIGHT POST A Round Post can be found on some A1 models Bushmaster only uses the A2 SLIP RING
25. rate of trigger release 4 Hold Trigger to the rear pull Charging Handle to the rear and release pressure on the Trigger with a slow smooth motion without hesitations or stops until the Trigger is fully forward AN AUDIBLE CLICK SHOULD BE HEARD THE HAMMER SHOULD NOT FALL 5 Repeat the FIRE position test five times The Rifle must not malfunction during any of these five tests If the Rifle malfunctions during any of these five tests have the Rifle checked by a qualified gunsmith 30 LOADING A MAGAZINE 1 Use only quality ammunition suitable for your firearm Examine each cartridge particularly around the primer Look for dents scratches and other signs of damage Do not load damaged ammunition 2 With the magazine facing forward as shown in the illustration place a round between the lips of the magazine with the bullet tip forward Push the round down until it is held by the magazine lips 3 If necessary give the round a slight push backward to seat it against the back edge of the magazine lips Place next round on top of previous round and repeat steps until desired number of rounds is loaded CAUTION Safe firearms handling dictates that you ONLY LOAD LIVE AMMUNITION INTO YOUR RIFLE WHEN YOU ARE ABOUT TO SHOOT THE FORWARD ASSIST The forward assist helps lock the bolt into the barrel but it will only be useful on rare occasions when the bolt fails to lock automatically If you find that you need to
26. rious physical injury Have adequate ventilation at all times Wash hands thoroughly after exposure CALL 1 800 998 SWAT FORALL REPLACEMENT PARTS AND ACCESSORIES BUSHMASTER FIREARMS INC QUALITY PARTS CO 999 Roosevelt Trail P O Box 1479 Windham Maine 04062 U S A CUSTOMER SERVICE 1 800 883 6229 Fax 207 892 8068 eo teas Website http AWwww bushmaster com E mail info bushmaster com PLEASE PRACTICE SAFE FIREARMS HANDLING EUNDAMENTAIRRUIEES SAEEIGUNIGRAN DIEING ALWAYS KEEP IHE GUN POINTED INA SAFE BIRECTION NEVER LOAD THE GUN UNTIL READY ROUSE KEEP YOUR FINGER OFF THE TRIGGER UNHCOREADYFPO SHOOT UAL ITY S CO PRIDE Bushmaster A IN THE U S A BUSHMASTER FIREARMS INCs QUALITY PARTS CO 999 Roosevelt Trail P O Box 1479 Windham Maine 04062 U S A ORDERS 1 800 998 SWAT CUSTOMER SERVICE 1 800 883 6229 Website http www bushmaster com E mail customerservice bushmaster com 1999 Bushmaster Firearms Inc
27. sembly Restricted movement of Bolt Carrier Group WHAT TO DO Clean lugs Remove and clean Remove and clean Remove clean and lube Before putting Bolt back in make sure Gas Tube fits into Carrier Key and that the Carrier moves freely TROUBLESHOOTING continued PROBLEM CHECK FOR What To Do SHORT RECOIL Correct alignment of Gaps in the 3 Gas Rings should be Gaps in Bolt Gas Rings staggered 120 around the Bolt body for maximum effectivness GAP GAP Carbon or dirt in Carrier Clean Carrier Key or around area of the Gas Key or on outside of Gas Tube Tube TROUBLESHOOTING continued PROBLEM CHECK FOR WHAT TO DO SHORT RECOIL Q Tip or Pipe Cleaner Clean out if possible or have Rifle checked by continued pieces stuck inside a qualified gunsmith Carrier Key Check with Q Tip Pipe Cleaner BOLT FAILS TO Dirty or corroded Bolt Clean or replace Bolt Catch LOCK AFTER Latch Check for Buffer Endcap backout or LAST ROUND obstruction Check for full travel of Bolt Carrier Faulty Magazine Replace SELECTOR Needs oil Lubricate with CLP LEVER BINDS Dirt or sand under Clean 52 Trigger TROUBLESHOOTING continued PROBLEM BOLT CARRIER HUNG UP BARREL ASSEMBLY AND COMPONENTS Gas Tube 8448567 Handguard Snap Ring N n MS16626 1137 Weld Spring 8448555 Indexing Pin 9349054BIP Barrel Extension 9349054BE Barrel Nut 9349054BN Metal Handgua er 2 Inc
28. t right Depress the Front Sight Detent and apply two or three drops of CLP to it Depress the detent several times to work the lubricant into the spring LUBRICATION Lower Receiver Lightly lubricate inside the Lower Receiver Extension Buffer Tube the Buffer and the Action Spring Generously lubricate all moving parts inside the Lower Receiver trigger hammer safety bolt catch forward assist etc and their various pins and detents Don t forget the Takedown and Pivot Pins and their detents Wipe any fingerprints they can start the corrosion process off the exterior surfaces with an oiled rag a black cloth is best as it won t leave visible lint LUBRICATION Bolt Carrier Group Lightly lubricate the Firing Pin with CLP also the Firing Pin recess in the Bolt Generously lubricate the Bolt its Cam Pin area the Bolt Gas Rings A lighter application is good on the Extractor and its Pin Lightly lubricate the Charging Handle and the inner and outer surfaces of the Bolt Carrier Generously lubricate the slide and Cam Pin area of the Bolt Carrier The inside of the Carrier Key on the Bolt Carrier should be dried with a Pipe Cleaner then place one drop of CLP inside LUBRICATION Adjustable Rear Sight Note Record how far you move the rear sight so it can be returned to its original position upon the completion of this task Rear Sight Moving Parts Use 1 or 2 drops of CLP Rotate these parts to
29. tension _ M f 9381367 S 8448581 x Bolt Catch Takedown Pin Spring 8448628 8448586 Bolt Catch Roll Pin MS16562 119 agazine Sold as a Complete Unit 48670 Takedown Pin Detent S Bolt Catch PI olt Catch Plunger 8448585 Woy ea 8448634 Takedown Pin q4 LS 8448584 gt x GOS Bolt Catch og FI Spring 5 8448633 Magazine Catch 8448638 8448658 Rear Swivel i 3 aa Q DO Safety Detent ten o P ccess Door A 5 8448631 Vy 3 Hinge Pin poor Safety Detent Sprin yy J J Pivot Pin we gue eo D y h J Guar k i Sori ear Pistol Grip f PARY Pivot Roll Pin k 448594 p Sling CKY MS16562 35 Y 8 Xt Oty A Swivel Lock Wash My TAS AS tee agazine p 3 wivel er 8448652 MS35335 61 Catch Spring Tri 8448637 Trigger 8448592 S Pistol Grip Screw AN501D416 18 Magazine Catch Button 8448636 Trigger Guai Asse Trigger Pins 8448587 8448609 PLEASE PRACTICE SAFE FIREARMS HANDLING lf your Bushmaster Operation Manual is lost or destroyed you can obtain a replacement by writing to Bushmaster Firearms Inc 999 Roosevelt Trail Windham Maine 04062 USA or by calling 1 800 883 6229 When requesting a manual include the serial number of your rifle This Operation Manual should always accompany this firearm When you lend give or sell this firearm be sure this Manual goes with it Model Serial Number Purchased from Date Purchased PLEASE PRACTICE SAFE FIREARMS HANDLING LIMITED ONE YEAR
30. ullet spin very fast as it moves down the bore and down range It is difficult to push a new stiff bore brush through the bore You will find it much easier and more effective to pull your bore brush through the bore Also because the brush will clean better if the bristles follow the grooves this is called tracking you want the bore brush to be allowed to turn as you pull it through Always clean from from chamber toward the muzzle This is how you do it 1 Swab out the bore with a patch moistened with CLP 2 Attach three rod sections together but leave each one about two turns short of being tight 3 Attach the bore brush but leave it two turns short also 4 Point muzzle down Hold the upper receiver in one hand while inserting the end of the rod without the brush into the chamber Guide the rod carefully through the bore CAUTION do not let the rod or its threaded end scratch the Chrome Lining of the Bore or Firing Chamber About 2 3 inches of the rod should protrude out of the muzzle 14 DETAILED CLEANING TECHNIQUES continued 5 Attach the handle section of the cleaning rod to the end of the rod sticking out of the muzzle 6 Pull the brush through the bore and out the muzzle You should be able to see the rod twisting as you pull it this is the brush tracking in the rifling Never reverse the direction of the bore brush while it is in the bore 7 After one pull take off the handle sect
31. unter clockwise One click of the front sight post as above equals one square Changes in windage are made with the windage knob Three clicks will move the strike of the bullet one horizontal square on the target sheet In order to move the shot group to the left turn the windage knob counterclockwise In order to move the shot group to the right turn the windage knob clockwise 8 Carefully aim and fire another group at the center of the target bull s eye 9 Repeat Steps 7 through 9 if required 10 If your group is on target your sight is now calibrated To place your actual 300 meter zero on the rifle you must rotate the elevation knob one click down The range scale s 300 meter mark should now be aligned with the mark on the rifle s receiver 35 A1 TYPE RIFLE SIGHTS DIFFERENCES amp ADJUSTMENTS A1 Type Rifles have sights that differ a bit from the later A2 Style The A1 REAR SIGHT Has two apertures for differing ranges but does not offer any mechanical means of adjustment for elevation e Use the unmarked aperture for targets from O 300 meters e Use the aperture marked L for targets from 300 400 meters The A1 FRONT SIGHT Has five notches of elevation per revolution instead of the four notches found on A2 square post type front sight Bushmaster only uses the A2 type Front Sight Post in its current production models APERTURE EARLIER UNMARKED MARKED L APERTURE yee ROUND y SIGHT POST lt
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