LAR-15 RifLes And PistoLs oPeRAting & sAfety instRuction MAnuAL
Contents
1. 28 R0028 Bolt Carrier Key Screw 29 R0029 t Carrier Key R0030 R0031 R0032A R0032AGRI Complete Bolt Carrier Group R0032AGRPC Complete Chrome Bolt Carrier Group Semi Auto It Gas Ring It Assembly ractor Spring ractor Spring Insert R0041 gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt R0042ASY Forward Assist Assembly R0042K Forward Assist Kit R0043 Pawl Spring Pin R0044 Pawl Spring R0045 Pawl Detent R0046 Forward Assist Pawl R0047 Forward Assist Sprin R0048 Ejection Port Cover R0048K Ejection Port Door Ki R0049 Ejection Port Cover Spring 1 1 1 1 1 1 1 2 1 1 1 1 1 1 3 iil d 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Ejection Port Cover Rod Note All parts illustrated and or listed are not used in all models configurations LAR 15 Owners Manual 43 Parts Upper Receiver Continued A4 Shown 44 LAR 15 Owners Manual PARTS Part Number Description t AR0051 Pin Retaining Ring AR0052A A2 Upper Receiver AROOS2AASY A2 Upper Receiver Assembly AROO52B A4 Upper Receiver AROOS2BASY A4 Upper Receiver Assembly EOP Upper Receiver EOP Upper Receiver Assembly Upper Receiver UTE Upper Receiver Assembly Carry Handle With Mounting Hardware No Sight Components Rear Sight Elevation Sp2. Dirty fouled chamber Clean chamber See Cleaning The Chamber on page 28 Won t chamber Dirty damaged or corroded Remove magazine and install ammunition new undamaged ammunition See Loading on page 14 Defective magazine Replace magazine Carbon in chamber Clean chamber See Cleaning The Chamber on page 28 Bolt won t fully close Dirt corrosion carbon Clean barrel locking lugs See buildup in barrel lugs Cleaning Upper Receiver on Page 29 Blown primer in barrel Remove primer extension contacttech rockriverarms com or 866 980 7625 LAR 15 Owners Manual 37 TROUBLESHOOTING Won t extract Extractor sticking Remove and clean extractor See Disassembly on page 23 Restricted movement of bolt Remove clean and lube bolt carrier carrier See Disassembly on page 23 Blown primer in under Remove primer extractor Bolt fails to lock open after last Dirty or corroded bolt catch Clean bolt catch if possible round Have checked by a competent and qualified gunsmith Faulty magazine Replace magazine Defective ammunition Remove magazine and install new undamaged ammunition See Loading on page 14 Safety selector binds Needs oil Lubricate with Cleaner Lubricant Preservative Debris in trigger Clean trigger See Cleaning Lower Receiver on page 29 contacttech rockriverarms com or 866 980 7625 38 LAR 15 Owners Manual Page intentionally left blank LAR 15 Own
3. J 7 yum E M L COLLAPSIBLE STOCK A WARNING Risk of serious injury or death A loaded firearm may discharge unintentionally Point the firearm in a safe direction before adjusting stock 1 Place safety selector on SAFE 2 Point firearm in a safe direction 3 The stock can be set to one of six positions Squeeze latch A and move stock in or out to desired position and release latch A Verify latch is engaged in a detent You may need to move stock slightly to engage in a detent 10 LAR 15 Owners Manual INsPECT For AMMUNITION A WARNING Risk of serious injury or death A loaded firearm may discharge unintentionally Point the firearm in a safe direction while inspecting for ammunition 1 Place safety selector A on SAFE Note If hammer is not cocked safety selector can not be placed on SAFE 2 Pull charging handle B rearward While retaining bolt in rearward position engage bolt catch by pushing inward on its lower portion C and slowly releasing charging handle until bolt catch engages bolt and locks it open 3 Grasp the firearm while keeping your finger off the trigger Press the magazine catch button D and remove magazine E LAR 15 Owners Manual 11 INSPECT FOR AMMUNITION Look into
4. Magazine Catch Ambi Catch Ambidextrous Magazine Release Drop In Design Bolt Catch Plunger Bolt Catch Roll Pin Safety Selector Lever Standard Safety Selector Lever Ambi i Takedown Pin Spring Takedown Pin Detent Description Disconnector Disconnector Spring Pivot PIN Pivot Pin Spring Pivot Pin Detent Bolt Catch Spring Bolt Catch Safety Selector Lever Star Safety Selector Lever Star Ambi mmer Spring mmer with J Pin Standard er Assembly CAR er Assembly CAR Heavy er Assembly CAR H2 er Assembly CAR H3 Heavy er Assembly Standard er Retainer er Retainer Spring Receiver Extension CAR Receiver Extension Standard Receiver Extension Pistol Lower Receiver Stripped 6 Position Tactical CAR Stock Note All parts illustrated and or listed are not used in all models configurations LAR 15 Owners Manual 49 WARRANTY ATTENTION SHOOTERS Congratulations on your new purchase The barrel on your new firearm comes lapped in from the factory therefore no break in of the barrel is required Refer to the manual included with your firearm for assistance with disassembly cleaning and re assembly of your firearm A WARNING If this firearm is carelessly or improperly handled unintentional discharge could result and could cause injury death or damage to prop
5. RECEIVER 29 CLEANING THE UPPER RECEIVER 29 CLEANING THE BoLT CARRIER Group 29 LAR 15 Owners Manual 3 SAFETY You must read understand and follow all the instructions in this manual before loading disassembling or using this firearm If you do not understand any part of this manual or you are unsure about the operation of your firearm contact Rock River Arms at 866 980 7625 or e mail us at contacttech rockriverarms com before proceeding This manual provides instructions on the operation and maintenance of LAR 15 rifles made by Rock River Arms You must read understand and follow the instructions and safety warnings in this manual The safety of yourself and those around you depends on your knowledge of your firearm and of the safety guidelines common to all firearms SAFETY ALERT SYMBOL AND SIGNAL WORDS The safety information in this manual is denoted by the safety alert symbol A The level of risk is indicated by the following signal words A DANGER Indicates a hazardous situation which if not avoided will result in death or serious injury A WARNING Indicates a hazardous situation which if not avoided could result in death or serious injury A CAUTION Indicates a hazardous situation which if not avoided could result in minor or moderate injury 4 LAR 15 Owners Manual NOTICE Indicates a situation that could result in damage to the equipment or other property A WARNING Y
6. follow safety instructions A Be aware of others Persons in the vicinity of your shooting may unintentionally walk into your line of fire A Always wear appropriate eye and ear protection while firing Be sure others in the vicinity have protection Persons without eye and hearing protection must be 10 yards or more behind the firearm when it is fired 1 Grasp the firearm with one hand on the handguard and the other on the grip A Do not grasp magazine well or magazine Grasping magazine may tip the magazine resulting in a mis feed In the unlikely event of an out of battery detonation of a round the firearm is designed to force the generated blast downward through the magazine well O Y 26 16 LAR 15 Owners Manual 2 Move the safety selector A to FIRE 3 at the target and gently pull the trigger with your index finger to fire Release trigger and point the firearm in a safe direction 4 When you stop firing remove your finger from the trigger Place the safety selector A in the SAFE position Note If hammer is not cocked safety selector can not be placed on SAFE Always check the chamber to verify it is empty A WARNING Risk of serious injury or death The firearm may have a round in the chamber even though the magazine has been removed Keep the firearm pointed in a safe direction while the magazine is reloaded 5 Unload the firearm See Unloading on page 21 6 Remove magazine and reload if
7. spring back remove the extractor from the bolt D for cleaning Push extractor pin F out to remove extractor 6 Do not remove extractor spring insert from extractor spring G A WARNING Risk of serious injury or death Do not disassemble the firearm any further than instructed in this manual A WARNING Do not modify or alter any part of the firearm Contact Rock River Arms at 866 980 7625 or e mail us at contacttech rockriverarms com for replacement parts and or technical information 26 LAR 15 Owners Manual A WARNING Risk of serious injury or death Always point the firearm in a safe direction A WARNING Risk of eye injury Wear eye protection while cleaning firearm NOTICE Risk of firearm damage Some cleaning solutions and solvents may damage your firearm Use a cleaning solution that is designed for use on firearms Do not allow cleaning rods to scratch score the inside of the barrel or chamber RRA recommends the use of a single piece coated cleaning rod RRA also recommends cleaning from the breech chamber to the muzzle and removal of the patch brush jag or other cleaning device from the rod prior to pulling the rod back through the bore Commercial firearm cleaning kits are available from your firearms dealer Follow the instructions included with the cleaning kit Use a high quality firearm cleaning kit that includes a cleaning rod swab holder cotton flannel bore patches a small too
8. the receiver and verify that there is no ammunition in the chamber F With safety selector pointing toward SAFE allow bolt to go forward by pressing on top of bolt catch button Follow this inspection procedure before cleaning before storage before transporting before handing to another person or when handed to you LAR 15 Owners Manual AAA A A DANGER Risk of serious injury or death Failure to use the proper gauge or caliber of ammunition will cause your firearm to fail when firing Always use ammunition specifically designed for use in your firearm A You are responsible for using ammunition that is specifically designed for your firearm and that meets industry standards for use in your firearm Never mix ammunition A Using ammunition not specifically designed for your firearm can cause the pressure to exceed the capability of your firearm and could damage and or rupture your firearm Locate the caliber mark A on the firearm This designates the ammunition caliber that must be used in your firearm In the case of 5 56mm markings 223 Remington ammunition may also be used safely ARMS e A Verify the caliber chamber of the rifle s upper half Caliber chamber may be different than that specified LAR 15 on lower receiver A cuin Always inspect your ammunition before loading it Never use damaged or corroded a
9. you plan to continue shooting See Loading on page 14 LAR 15 Owners Manual 17 MALFUNCTIONS A WARNING Risk of serious injury or death If your firearm is not operating properly stop firing immediately Point the firearm in a safe direction and unload the firearm Safely store the firearm and take it to a qualified gunsmith for inspection If a cartridge jams or hangs up while moving from the magazine into the chamber do not attempt to force the cartridge into the chamber If your firearm misfires or jams 1 Place safety selector A on SAFE Note If hammer is not cocked safety selector can not be placed on SAFE 2 Pull charging handle B rearward While retaining bolt in rearward position engage bolt catch by pushing inward on its lower portion C and slowly releasing charging handle until bolt catch engages bolt and locks it open 3 Grasp the firearm while keeping your finger off the trigger Press the magazine catch button D and remove magazine E 18 dq We LAR 15 Owners Manual MALFUNCTIONS 4 Look into the receiver and verify that there is no ammunition in the chamber F With safety selector pointing toward SA
10. CHAMBER A Remove the magazine verify that the firearm is not loaded and safety selector is on SAFE Note If hammer is not cocked safety selector can not be placed on SAFE Clean the chamber and barrel locking lugs with solvent and a chamber cleaning brush Move the brush through the chamber several times to scrub the inside of the chamber Use a clean patch to wipe the chamber after cleaning Repeat with clean patches until patch stays clean Once clean apply a light coating of oil to the chamber remove prior to shooting 28 LAR 15 Owners Manual CLEANING THE LOWER RECEIVER A Remove the magazine verify that the firearm is not loaded and safety selector is on SAFE Note If hammer is not cocked safety selector can not be placed on SAFE Wipe all metal surfaces with a clean cloth and then follow up with a lightly oiled cloth Compressed air is useful when cleaning the lower receiver Always wear eye protection when cleaning with compressed air Wipe any debris from the trigger mechanism Never apply grease to trigger mechanism CLEANING THE UPPER RECEIVER A Remove the magazine verify that the firearm is not loaded and safety selector is on SAFE Note If hammer is not cocked safety selector can not be placed on SAFE Wipe all interior and exterior surfaces with a clean cloth and then follow up with a lightly oiled cloth Wipe any debris from the bolt carrier channel CLEANING THE Bott CARRIER GRouP Wipe all bolt carrier group s
11. FE allow bolt to go forward by pressing on top of bolt catch button A If your firearm stops firing with a live round in the chamber of a hot barrel misfire remove the round quickly However if you cannot remove it within 10 seconds remove the magazine and wait 15 minutes with the barrel pointing in a safe direction This way you won t be hurt by a round possibly 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 5 n the event that the cartridge cannot be removed o PRE a m verify that safety selector is in SAFE position o ES NOTICE Pushing takedown pin past the second detent position with closed being the first position will result in irreparable damage to the lower receiver 6 While the barrel is still pointed down range push takedown pin to the second detent position If tight use the chamber flag as a tool to push pin to second detent position Never use a punch to drive the pin LAR 15 Owners Manual 19 MALFUNCTIONS NOTICE Pushing pivot pin past the second detent position with closed being the first position will result in irreparable damage to the lower receiver 7 Push pivot pin to the second detent position If tight use the chamber flag as a tool to push pin to second de
12. PERATING amp SAFETY INSTRUCTION MANUAL May 2012
13. Pistol Grip Safety Deten Safety Detent Hammer and Trigger Pin Hammer and Trigger Pin NM Magazine Release Button Magazine Catch Spring Trigger Guard Pivot Roll Pin Trigger Guard RRA Winter Trigger Guard Trigger Spring Trigger Standard RRA Single Stage Trigger Kit RRA Two Stage Match Trigger Kit RRA Two Stage Match Chrome Trigger Kit RRA Two Stage Varmint Trigger Kit Two Stage Sporter Trigger Kit ARO079 AR0080 AR0081 ARO082 AROO83 ARO084 AROO85 AROO86 091 ARO091W AR0092 ARO093 AROO93K ARO093NMKC EN 93NMKV ARO093NMKV 93NMKS ARO0093NMKS L m c c c MO NO c m c c c c c c c c c 1 Single Stage Trigger Group 2 Two Stage Match Trigger group components are not available separately but may be purchased as complete trigger kits as part of a lower parts kit Note All parts illustrated and or listed are not used in all models configurations LAR 15 Owners Manual 47 Item Part Number R0094 R0104AMBI R0104D R0104DA R0107A R0107AH 107AH2 107AH3 107B 108 R0107B R0108 R0109 R0110 R0111 R0112 1 Single Stage Trigger Group
14. S INC LAR 15 RIFLES AND PISTOLS OPERATING amp SAFETY INSTRUCTION MANUAL A WARNING Read and understand this manual before handling the firearm If you do not understand any part of this manual contact Rock River Arms for assistance SAFETY rara 4 LUBRICATION vis cniin tatea ta pico 31 SAFETY ALERT SYMBOL AND SiGNAL WORDS 4 UPPER RECEIVER 31 IDENTIFICATION eene nnn 9 LOWER RECEIVER 31 PARTS IDENTIFICATION 9 CARRIER GROUP 31 COLLAPSIBLE STOCK 10 ASSEMBLY 32 INSPECT FOR AMMUNITION 11 ASSEMBLE 32 AMMUNITION nenea a eee nnn nnn 13 INSTALL BOLT CARRIER 33 14 ASSEMBLE Upper AE 16 LOWER RECEIVER eren 34 MALFUNCTIONS ern 18 TROUBLESHOOTING eene 35 UNLOADING eee eren nennen nnn 21 PARTS 40 DISASSEMBLY 55i cita ct donna YR ERR 23 WARRANTY neo na eee anna nnn aaa 50 SEPARATE UPPER AND Lower RECEIVER saune unuia cn aaa da tdi e 23 DISASSEMBLE 25 CLEANING 20 Daca 27 CLEANING THE EXTERIOR 28 CLEANING THE BARREL 28 CLEANING THE 28 CLEANING THE Lower
15. accident negligence misuse or unauthorized repair or alteration C Damage from use of other than factory ammunition NOTICE OF DISCLAIMER OF LIABILITY ROCK RIVER ARMS will not be responsible for the results of careless handling unauthorized repairs and adjustments corrosion neglect unreasonable or unsafe use ROCK RIVER ARMS assumes no responsibility for damage and or injury caused in whole or in part by handloaded reloaded or defective ammunition Under no circumstances shall ROCK RIVER ARMS be responsible for incidental or consequential damages with respect to economic loss or injury to property arising out of use of handloaded or remanufactured ammunition negligence unsafe handling or unauthorized modifications to the firearm Some states do not allow the exclusion or limitation of incidental or consequential damages so the above limitations regarding them may not apply to you WARRANTY MUST BE COMPLETED BY PURCHASER AT TIME OF PURCHASE LAR 15 Owners Manual 51 Rock River Arms Inc 1042 Cleveland Road Colona IL 61241 Toll Free Line 866 980 7625 Telephone 309 792 5780 Fax 309 792 5781 RMS INC Information E Mail info rockriverarms com Technical Support E Mail contacttech rockriverarms com Website rockriverarms com A WARNING Read and understand this manual before handling the firearm If you do not understand any part of this manual contact Rock River Arms for assistance LAR 15 RiFLES AND PISTOLS O
16. ay result in firearm failure or misfire Use only quality undamaged ammunition in your firearm 14 LAR 15 Owners Manual 4 Inspect each cartridge for signs of damage Do not load damaged ammunition Load the magazine with the proper o caliber of undamaged ammunition 5 Push the magazine up into the magazine well until the magazine release button C engages and holds the magazine Use your hand and tap on the bottom of the magazine to be sure it is seated A WARNING Risk of serious injury or death After performing step 6 the firearm is loaded and will fire if the safety selector is set to FIRE and the trigger is pulled Keep the firearm pointed in a safe direction at all times 6 Toloada round into the chamber pull the charging handle D fully rearward and release A round from the magazine is now loaded into the chamber Alternately pushing in the top of the bolt catch will also release the bolt and chamber a round A WARNING Never insert a round into the chamber through the ejection port Load the chamber by feeding a round from the magazine only LAR 15 Owners Manual A WARNING You must follow all of the safety guidelines to ensure the safe use of your firearm Failure to follow these basic firearm safety guidelines may result in an unintended discharge which could cause serious injury or death A Always point the firearm in a safe direction Be alert and
17. azine E 4 Look into the receiver and verify that there is no ammunition in the chamber F 22 o lt LAR 15 Owners Manual DISASSEMBLY A WARNING Risk of serious injury or death Verify that the firearm is not loaded before any disassembly or cleaning Always point the firearm in a safe direction A WARNING Risk of serious injury or death Do not disassemble firearm any further than instructed in this manual Do not modify or alter firearm Never interchange parts from other firearms A WARNING Disassembling the firearm and the handling of ammunition and cleaning products may result in exposure to lead and other substances known to cause birth defects reproductive harm cancer and other physical injury Wash hands thoroughly after exposure Read the warnings and labels on all ammunition and cleaning products carefully A WARNING Risk of eye injury Wear eye protection while disassembling firearm SEPARATE UPPER AND Lower RECEIVER h 1 Verify that the firearm is not loaded See Inspect For Ammunition on page 11 2 Verify safety selector is on SAFE and bolt is in the forward position 28 E NOTICE Pushing takedown pin past the second detent position with closed being the first position will result in irreparable damage t
18. e protection while lubricating firearm Upper RECEIVER Lightly Lubricate With Cleaner Lubricant Preservative never use a heavy oil or grease The inside of the upper receiver bore and chamber using the cleaning rod and a patch The outer surfaces of barrel Lower RECEIVER Lightly Lubricate With Cleaner Lubricant Preservative never use a heavy oil or grease All moving lower receiver parts including the trigger hammer safety bolt catch forward assist and their various pins and detents Don t forget the takedown pin pivot pin and detents Using Cleaner Lubricant Preservative and a clean cloth wipe the receiver and any other components clean of fingerprints Bott CARRIER GROUP Lightly Lubricate With Cleaner Lubricant Preservative never use a heavy oil or grease The firing pin and the firing pin recess in the bolt The charging cradle and the inner and outer surfaces of the bolt carrier The bolt cam pin and bolt gas rings The extractor and extractor pin 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 cotton swab then place one drop of Cleaner Lubricant Preservative inside LAR 15 Owners Manual 31 ASSEMBLY A WARNING Risk of eye injury Wear eye protection while assembling firearm AssEMBLE Bor 1 2 Install extractor A with insert and spring into bolt and install extractor pin B Extractor pin must not ex
19. ers Manual 39 40 LAR 15 Owners Manua Part Number ARO001A2 AROO02C Model Specific ARO004D AROD08 AROO09 Model Specific AROO11A AROO11B AROO11C AROO11P ARO012 AROO17 AROO18 AR0020DOW AROO21 AR0022 LAR 15 Owners Manual 1 1 1 1 1 1 1 Handguard Cap R4 1 Front Sight Detent Spring 1 Front Sight Detent 1 Front Sight Post Square 1 Hand Guard 2 Gas Tube CAR 4 Gas Tube Standard neil 1 1 1 1 1 1 1 1 1 2 2 1 1 Delta Ring Kit Barrel Indexing Pin Barrel Extension 223 Barrel Nut Standard Handguard Liner Model Specific Front Sight Dowel Pin Front Sling Swivel Front Sling Swivel Rivet Description t A2 Flash Hider Crush Washer Handguard Cap Triangle Gas Tube Mid Length Gas Tube Pistol Handguard Snap Ring 41 Parts Upper Receiver A4 Shown LAR 15 Owners Manual 42 Item Part Number Description t Charging Handle Latch Roll Pin Charging Handle Latch Charging Handle Latch Spring Charging Handle RRA Forged Charging Handle Assembly 26ASYAMBI AROO26ASYAMBI RRA Forged Ambidextrous Charging Handle AssembI 27 R0027B Firing Pin
20. erty Do not use handloads reloads or remanufactured ammunition in your ROCK RIVER ARMS firearm Use of this ammunition is dangerous and by using it you assume all risks associated with its use The use of handloads reloads or remanufactured ammunition in this firearm will void the Limited Lifetime Warranty IMPORTANT Before your firearm left the factory it was tested carefully inspected and packaged Rock River Arms cannot control product handling after it leaves the factory Therefore please examine this firearm carefully at the time of purchase to insure that it is unloaded and undamaged Serial Purchase Date Dealer 50 LAR 15 Owners Manual LIMITED LIFETIME WARRANTY ROCK RIVER ARMS warrants to the initial retail purchaser for his her lifetime that this firearm used under normal conditions will be free of defects in parts material and workmanship which affect satisfactory operation of the firearm This warranty is in force only upon completion of this warranty form by the purchaser and transmittal to ROCK RIVER ARMS This warranty is limited to the repair or replacement of the part or parts which are returned to ROCK RIVER ARMS and which are determined by ROCK RIVER ARMS to be defective This warranty made to the original owner purchaser is not transferable The following items are excluded from this warranty A Normal wear of protective finishes and of all metal or plastic parts B Damage or malfunction resulting from
21. ing of your firearm will ensure the safe use of your firearm A mechanical safety is not a substitute for common sense A Before using a stored firearm verify the firearm is completely unloaded and check the barrel for any obstructions debris or excess oil Never allow water snow mud or other materials to enter the barrel Excess lubricants or grease can dangerously increase pressure and may cause barrel to burst when firing If barrel is obstructed remove ammunition and clean barrel immediately A Use only the correct caliber and cartridge for your firearm Never use incorrect ammunition Never use remanufactured or reloaded ammunition Use only quality undamaged ammunition in your firearm Always read and follow the instructions on the ammunition box Do not use the firearm if you have any doubt as to the caliber or cartridge the firearm is designed to use A Safely store and secure your firearm and ammunition separately A Be sure of your target and the surrounding area Never fire unless you know exactly where your shot is going and what it will strike Make sure the shot has a safe back stop such as a hillside or sand Bullets can ricochet on surfaces such as water and frozen ground Do not fire into the sky A Always wear appropriate eye and ear protection while firing a firearm Be sure others in the vicinity have protection Persons without eye and hearing protection must be 10 yards more behind the firearm when it is f
22. ired 6 LAR 15 Owners Manual A Obey all laws regarding the storage security transportation and carrying of firearms You must be familiar with all local state and federal laws regarding the safe use storage and or transportation of your firearm Your local police department can answer any questions you may have regarding the legal use storing and or transporting of your firearm A Discharging firearms in poorly ventilated areas cleaning the firearm and handling ammunition may result in exposure to lead and other substances known to cause birth defects reproductive harm cancer and other serious physical injury Wash hands thoroughly after exposure Read the warnings and labels of all ammunition and cleaning products carefully A Inthe event of a misfire or hang fire leave the bolt closed remove the magazine and wait 15 minutes with the barrel pointing in a safe direction Keep your face away from the breach and put the safety on This way you won t be hurt by a round possibly 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 See Malfunctions on page 18 Unload your firearm and dispose of the ammunition safely If the bullet has become lodged in the barrel remove the bullet with a cleaning rod Do not attempt to fire another round to dislodge the bullet A Be sure all accessories are compatible with your firearm Acce
23. mmunition which could lead to a burst cartridge causing damage to the firearm and possible personal injury or death Always use factory new not reloaded or remanufactured brass cased American made by a reputable commercial manufacturer ammunition in the appropriate caliber and bullet weight for your firearm s chamber and rifling LAR 15 Owners Manual 13 Ir cC cc emo A WARNING Risk of serious injury or death Always point the barrel of your firearm in a safe direction when loading or unloading Clean your firearm before the first use Your firearm has been treated at the factory to prevent corrosion The chamber bore and exterior surfaces must be cleaned to remove excess oil A Load your firearm only when you are in the field or target range when you are sure of the target and ready to fire 1 Inspect the firearm for ammunition if you have not B done so See Inspect For Ammunition on page 11 Ez 2 Verify that the safety selector A is in the SAFE position placed on SAFE ez Note If hammer is not cocked safety selector can not be E oo A 3 Press the upper portion of the bolt catch and the bolt should spring forward Be sure the bolt is fully forward and locked A WARNING Risk of serious injury or death Using damaged incorrect non standard or handloaded ammunition m
24. mproper or careless use or handling of the firearm Unauthorized modifications repairs to firearm Defective improper remanufactured or reloaded ammunition Neglect of the firearm or other causes beyond the control of the company A If your firearm stops firing with a live round in the chamber of a hot barrel misfire remove the round quickly However if you cannot remove it within 10 seconds remove the magazine and wait 15 minutes with the barrel pointing in a safe direction This way you won t be hurt by a round possibly 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 See Malfunctions on page 18 8 LAR 15 Owners Manual Parts IDENTIFICATION A Flash Hider B Handguard C Magazine D Bolt Catch E Charging Handle F Trigger G Grip H Safety Selector l Buttstock J Spent Case Deflector K Forward Assist Assembly L Magazine Release Button M Ejection Port Cover Go to our website at www rockriverarms com for technical information on specific components and accessories LAR 15 Owners Manual IDENTIFICATION D Tena A B C F
25. n firing pin Remove firing pin and wipe recess out with cotton swab See Disassembly on page 23 Too much carbon on firing pin Disassemble remove in firing pin recess carbon See Disassembly on page 23 Won t extract Carbon in chamber Clean chamber See Cleaning The Chamber on page 28 Fouling or carbon in extractor Remove and clean extractor See Disassembly on page 23 contacttech rockriverarms com or 866 980 7625 LAR 15 Owners Manual 35 TROUBLESHOOTING Won t extract continued Won t feed Extractor sticking or seized Remove and clean extractor and recess bolt See Disassembly on page 23 Restricted movement of Remove clean and lube carrier bolt carrier assembly See Disassembly on page 23 Dirty damaged or corroded Remove magazine and install ammunition new undamaged ammunition See Loading on page 14 Dirty magazine Remove and clean magazine Defective magazine Replace magazine Too many rounds in magazine Remove excess rounds from magazine See Loading on page 14 Magazine not fully seated Seat magazine in receiver See Loading on page 14 Dirty fouled chamber Clean chamber See Cleaning The Chamber on page 28 contacttech rockriverarms com or 866 980 7625 36 LAR 15 Owners Manual TROUBLESHOOTING Bolt won t unlock Dirty or burred bolt Remove bolt assembly and clean or see a competent and qualified gunsmith See Disassembly on page 23
26. o the lower receiver 3 Push takedown pin A to the second detent position If tight use the chamber flag as a tool to push pin to second detent position Never use a punch to drive the pin LAR 15 Owners Manual 23 DISASSEMBLY NOTICE Pushing pivot pin past the second detent position with closed being the first position will result in irreparable damage to the lower receiver 4 Push pivot pin B to the second detent position If tight use the chamber flag as a tool to push pin to second detent position Never use a punch to drive Be the pin COLONA IL CAL 5 56 MM LAR 15 5 Separate upper receiver from lower receiver 6 Pull rearward on charging handle C to remove charging handle and bolt carrier 24 LAR 15 Owners Manual DISASSEMBLY DisAssEMBLE BOLT 1 Remove the firing pin retaining pin A Do not distort the ends of the retaining pin 2 Push the bolt assembly into the bolt carrier to the locked position and remove the firing pin B through the rear of the bolt carrier assembly 3 Rotate bolt cam pin 90 and remove from bolt carrier assembly If bolt cam pin C can not be removed contact Rock River Arms at 866 980 7625 or e mail us at contacttech rockriverarms com 4 Remove bolt D from bolt carrier LAR 15 Owners Manual 25 DISASSEMBLY 5 Push on the rear of the extractor E If the extractor does not
27. ou must follow all of the safety guidelines to ensure the safe use of your firearm Failure to follow these basic firearm safety guidelines may result in an unintended discharge which could cause serious injury or death A The safe use of your firearm is your responsibility You must protect yourself and others against injury or death from misuse of a firearm A Always treat every firearm as if it were loaded A Do not drop your firearm as it may discharge on impact A Always point the firearm in a safe direction A Always keep your finger off the trigger until ready to fire A Always be sure of your target and what is beyond your target A Firearms must be unloaded when not in use Load your firearm only when you are in the field or target range and ready to fire Never let a loaded firearm out of your sight Never climb a tree or cross obstacles such as streams creeks or fences with a loaded firearm Completely unload firearm as soon as you are finished shooting Unload firearm before storing it traveling laying it down or entering a vehicle or building Always verify that a firearm is unloaded Do not take anyone s word that a firearm is unloaded Never pass your firearm to another person until both you and the other person have visually checked that it is unloaded Keep your firearm unloaded and safely stored when not in use LAR 15 Owners Manual 5 SAFETY A Never rely on your firearm mechanical features alone Only your safe handl
28. ring Pin Forward Assist Spring Pin Rear Sight Elevation Spring Rear Sight Elevation Spring Carry Handle Rear Sight Elevation Knob Rear Sight Elevation Knob Carry Handle Rear Sight Elevation Index Rear Sight Elevation Index Carry Handle Index Scre Bearing Elevation Index Spring Rear Sight Index Spring Carry Handle Rear Sight Windage Knob Rear Sight Windage Knob Pin Rear Sight Index Spring Rear Sight Ball Bearing Rear Sight Flat Spring Rear Sight Aperture Rear Sight Ball Bearing Rear Sight Helical Spring Rear Sight Base Rear Sight Base Carry Handle A2 Standard Rear Sight Kit Rear Sight Windage Screw 151 ARO151ASY Carry Handle Knob Assembly Note All parts illustrated and or listed are not used in all models configurations AR0057C6 3 ARO0058 AR0060 AR0061 ARO061C AR0062 AR0063 ARO064 AROO65 AROO66 AROO67 ARO068 LAR 15 Owners Manual 45 PARTS Item Part Number Description t AROO72A AROO72B AR0073 AR0074 Action Spring CAR Action Spring Standard Buttcap Spacer Buttstock Black Buttplate Screw Trap Door Assembly Plastic Rear Swivel Screw Trap Door Hinge Pin Trap Door Hinge Rear Sling Swivel Pistol Grip Screw Lock Washer
29. ssories must not interfere with the safe operation of your firearm A This manual must accompany this firearm and be transferred with it upon change of ownership or when presented to another person A Never use drugs or alcohol before or during use of a firearm Never use a firearm if you are taking any medication which impairs your mental or physical ability LAR 15 Owners Manual 7 SAFETY A Never alter or modify your firearm Never disassemble your firearm beyond what is outlined in this manual Improper manipulation of any internal components and or improper disassembly or reassembly may be dangerous and may lead to serious injury or death Do not try to change your firearm s trigger pull as alterations might cause accidental firing Have a qualified experienced gunsmith service repair or upgrade your firearm A Understand all operational aspects of the firearm before handling Every firearm is different Before using the firearm read and follow this manual Familiarize yourself with all mechanical features of your firearm If you do not understand any part of this manual or have any questions about the safe operation of your firearm contact Rock River Arms at 866 980 7625 or e mail us at contacttech rockriverarms com Rock River Arms is not responsible for any physical injury or death property damage or damage to a firearm resulting in whole or in part from Intentional or negligent discharge or firing of the firearm I
30. tend outside the bolt on either side Position the three ring gaps C 120 apart around the bolt LAR 15 Owners Manual 32 ASSEMBLY 3 Install bolt assembly into bolt carrier Insert cam pin E and rotate 90 The hole in pin will align with the hole through the bolt 4 Insert the firing pin F through the rear of the bolt carrier assembly 5 Extend bolt fully forward and install the firing pin retaining pin G INSTALL CARRIER 1 Insert charging handle A and bolt carrier B into upper receiver with longer end of bolt carrier facing the barrel and the bolt extended fully forward LAR 15 Owners Manual AssEMBLE UPPER AND Lower RECEIVER 1 Reassemble upper and lower receiver and push pivot pin A in 2 Verify that hammer is locked back and safety selector on SAFE 3 Close the upper and lower receivers and push takedown pin B in FIRE B 34 LAR 15 Owners Manual TROUBLESHOOTING Won t fire Hammer not cocked Charge See Loading on page 14 Selector on SAFE Place selector on FIRE Defective ammunition Remove magazine and install new undamaged ammunition See Loading on page 14 Improper assembly of firing pin Assemble correctly See Assembly on page 32 Too much oil i
31. tent position Never use a punch to drive the pin 8 Separate upper receiver from lower receiver 9 Remove bolt carrier group if possible Take components to a competent and qualified gunsmith for repair 20 LAR 15 Owners Manual UNLOADING A Firearms must be unloaded when not in use Completely unload firearm as soon as you are finished shooting Unload firearm before storing it traveling laying it down or entering a vehicle or building Always verify that a firearm is unloaded Do not take anyone s word that a firearm is unloaded Never pass your firearm to another person until both you and the other person have visually checked that it is unloaded Keep your firearm unloaded and safely stored when not in use A WARNING Risk of serious injury or death Always point the firearm in a safe direction 1 Place safety selector A on SAFE B Note If hammer is not cocked safety selector can not be placed on SAFE 2 Pull charging handle rearward While retaining ox bolt in rearward position engage bolt catch by 9 pushing inward on its lower portion C and slowly releasing charging handle until bolt catch engages bolt and locks it open C LAR 15 Owners Manual 21 AAA Io 3 Grasp the firearm while keeping your finger off the trigger Press the magazine catch button D and remove mag
32. thbrush brass wire bristle bore and chamber brushes and a Cleaner Lubricant Preservative Before initial use and after firing clean your firearm 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 the firearm should get wet dry and clean as soon as possible Lightly oil once clean and dry LAR 15 Owners Manual 27 CLEANING CLEANING THE EXTERIOR A Remove the magazine verify that the firearm is not loaded and safety selector is on SAFE Note If hammer is not cocked safety selector can not be placed on SAFE Wipe all metal surfaces with a clean cloth and then follow up with a lightly oiled cloth CLEANING THE BARREL A Remove the magazine verify that the firearm is not loaded and safety selector is on SAFE Note If hammer is not cocked safety selector can not be placed on SAFE RRA recommends cleaning the barrel with the upper half removed from the lower half Clean the barrel with a cotton patch attached to a cleaning rod Moisten the patch with cleaning solution Repeat with clean patches until patch stays clean Apply cleaning solvent to a bronze bore brush to help loosen particles inside the barrel After cleaning run a dry patch through the barrel and then follow with a lightly oiled patch CLEANING THE
33. urfaces with a clean cloth and then follow up with a lightly oiled cloth Clean any carbon fouling buildup from both the bolt and carrier using the CAT M4 Bolt Tool RRA Part AR3550 or similar product Wipe any debris from the bolt firing pin retaining pin cam pin and extractor LAR 15 Owners Manual 29 CLEANING Checks Check the bolt for cracks or fractures especially in the cam pin hole area Bolts with any pitting extending into the firing pin hole must be replaced Check the firing pin to see if it is bent cracked too blunt too sharp or if tip is pitted If so it must be replaced Verify that the firing pin moves freely forward and rearward when inserted into the bolt Check firing pin retaining pin to see if it is bent or badly worn If so it must be replaced Never use a cotter pin as a substitute for a firing pin retaining pin Cotter pins are not made of heat treated spring steel and their round head shape will cause damage Check the cam pin to see if it is cracked worn or chipped If so it must be replaced Check the extractor and extractor spring to see if the extractor is chipped or has broken edges in the area of the lip that engages the cartridge rim If so it must be replaced er amp 30 LAR 15 Owners Manual LUBRICATION A WARNING Risk of eye injury Wear ey
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