Note Aew
The slot should fit the alignment pin perfectly with very little or no rotational play present. Note the play in a new rifle barrel assembly and new upper receiver assembly and use this as a guide. 6. Align upper receiver assembly 8 or 8A using alignment pin 6 and the slot in upper receiver assembly 8 or 8A . Install over end of rifle barrel assembly 2 . 7. Wipe upper receiver threads clean and ensure there are no burrs. Apply molybdenum disulfide grease to the threads before installation. 8....
e TEST CONT 1
12. a If the test fails using finger pressure, remove the gage and perform the test again as follows With the muzzle down, stack 8 1 2 to 8 3 4 pounds of trigger weights 8 on a locally fabricated spacer weight 9 on the bolt carrier assembly 10 Insert headspace gage 11 and test per above instructions. b Remove trigger weights 8 , spacer weight 9 , bolt carrier assembly 10 , charging handle 12 , and headspace gage 11 . c If excessive headspace, first replace bolt assembly and then recheck If...
Corrective Action Ecm
Step 3. For elevation defective front sight 2 or rear sight 3 . Repair as required p 3-48 . 12. FAILURE TO CYCLE WITH SELECTOR LEVER SET ON BURST M16A2 and M4 ONLY . Step 1. Broken automatic sear 1 or spring 2 . Replace automatic sear assembly 1 p 3-62 . Step 2. Faulty selector lever 3 . Replace selector lever 3 p 3-62 . Step 3. Broken tooth on burst cam 4 .
Corrective Action Rtn
Step 4. Carbon build-up or foreign matter In the narrow passage of the bolt carrier key 3 . Clean with CLP Item 9, app D and a pipe cleaner Item 11, app D . Step 5. Gas leakage caused by broken or loose gas tube 4 around front sight base. Step 6. Improper alignment of gas tube and carrier key. a. Adjust gas tube alignment by bending in area of handguard assembly to Its original configuration b. If gas tube cannot be returned to Its original configuration, evacuate the rifle to support...
Table MM Rifle MA
General Clear rifle of any ammunition and Inspect In accordance Barrel and barrel extension Check barrel erosion. Use barrel erosion gage 8448496 for chrome lined barrels. Stripping of lands and grooves shall not be cause for rejection unless so determined by barrel erosion gage. Visually inspect, using chamber reflector tool 8448201. Pits 1 8 inch 0.31 cm In length and those pits large enough to extend from the body of the chamber into the shoulder stop area and forcing cone area are cause for...
C EXPLANATION OF COLUMNS SECTION IV a NATIONAL STOCK NUMBER NSN INDEX
1 STOCK NUMBER column. This column lists the NSN by National Item Identification Number NIIN sequence. The NIIN consists of the last nine digits of the NSN. i.e., 5305-01-674-1467 . When using this column to locate an item, ignore the first 4 digits NIIN of the NSN. However, the complete NSN should be used when ordering items by stock number. 2 FIG. column. This column lists the number of the figure where the item Is Identified located. The figures are in numerical order in Section II and...
Note Jmf
Ensure barrel is clean prior to performing the following test. 4. Check straightness of bore using straightness gage 2 PN 8448202. Put gage in barrel. Tilt barrel and allow gage to fall through. Catch gage. 5. Gage must pass freely through barrel. If gage does not pass through barrel, recheck as follows. Hold upper receiver and barrel assembly 3 in vertical position with muzzle pointed down insert gage into chamber end of barrel. Release gage and catch it as it exits muzzle end. If gage passes...
M16a1 Stagger Ring Gaps To Stop Gas Loss How To Set
Make certain bolt ring gaps are staggered to prevent loss of gas pressure. New bolt rings will make installing the bolt assembly difficult. Lubricate inside key and bolt carrier assembly and use gentle pressure when installing. 2. Reassemble rifle, refer to page 3-77. Small Arms Shop Set item 1, app B ARMY Small Arms Repairman Tool Kit item 3, app B Carrier and key screws 2 8448508 3-16 Key and bolt carrier assembly removed
A Forms
AFTO Form 22 AFTO Form 105 DA Form DA Form 2028-2 DA Form DA Form 2408-9 DD Form M16A1 and M16A2 Rifle and Rifle Marksmanship Consolidated Index of Army Publications and Blank Forms The Army Maintenance Management System TAMMS Combat Arms Training Management and Range Operation Equipment Publications Listing Requisitioning, Receipt, and Issue System Army Materiel Policies Army Medical Department Expendable Durable Items Expendable Durable Items Except Medical, Class V, Repair Parts and Heraldic...
General Cuk
a. Only rifles which have been classified as serviceable condition code A, B, or C under AR 725-50 will be considered for overseas shipment. All items of equipment for which equipment serviceability criteria have been published must, as a minimum, be rated green under the ESC as a prerequisite to overseas shipment. In addition to the condition code standard, as enumerated above, and the required ESC rating prescribed herein, the rifle being considered for overseas shipment must meet the...
CodeExplanation
unit AVUM Level AF- Assembled by DS AVIM Level AH- Assembled by Items with these codes are not to be requested requisitioned Individually. The parts that make up the assembled Item must be requisitioned or fabricated and assembled at the level of maintenance indicated by the source code. If the 3d position code of the SMR code authorizes you to replace the Item, but the source code Indicates the Item Is assembled at a higher level, order the Item from the higher level of maintenance. XA-Do not...
Major Components Of Ma Rifle
Do not Interchange bolt assemblies from Rifle disassembled into major components Do not keep live ammunition near the To avoid injury to eyes, use care when removing and installing spring-loaded Refer to operator's manual and assemble lower receiver and buttstock assembly 1 upper receiver and barrel assembly 2 . charging handle assembly 3 , bolt carrier assembly 4 , sling 5 , and magazine 6 .
Note Niz
Anytime the hammer falls forward, the clutch spring releases the burst cam and allows the front hook of the burst disconnector to keep It In place. f As the key and bolt carrier assembly moves to the rear, the hammer is forced to the rear. g The clutch spring of the burst cam clutches the burst cam and causes It to rotate one notch as the hammer is forced back. h When hammer is automatic sear catches It. 3-1S M16A2 RIFLE FINAL INSPECTION CONT . c. FUNCTIONAL THEORY OF THREE-ROUND BURST CONTROL...
Info Kpa
TM9-1005-319-23LP 3 4 5 DESCRIPTION AND USABLE ON CODE UOC GROUP 00.1 M4 AND M4A1 CARRYING HANDLE ASSEMBLY 12951011 FIG. C-1A. M4 AND M4A1 CARRYING HANDLE ASSEMBLY REAR SIGHT ELEVATING SPRING HANDLE,GUN Figure C-1B. M4 and M4A1 Rear Sight Assembly 12951026. Figure C-1B. M4 and M4A1 Rear Sight Assembly 12951026. SIGHT ASSEMBLY 12951026 FIG. C-18. M4 AND M4A1 REAR SIGHT ASSEMBLY BASE,REAR SCREW,EXTERNALLY
b INSPECTIONREPAIR CONT
3. Inspect bore for burrs, cracks, rust, bulges, and pits using the following guidelines a Pits no wider than a land or groove and no longer than 3'8 inch 0.95 cm are al lowed in the bore. b Lands that appear dark blue due to coating of gliding metal from projectiles are allowable. c Definitely ringed bores or bores ringed sufficiently to bulge the outside surface of the barrel are cause for rejection. Replace barrel assembly if defective 4. If the upper receiver is separated from the barrel...
A Technical Bulletinsinstructionsmanualsorders
TB for Overseas Shipment or Domestic Issue of Small Arms, Aircraft Armament, Toward Howitzers, Mortars, Recoilless Rifles, Rocker Launchers and Associated Fire Control Equipment TB 43-0002-73 Expenditures Limits for FSC Group 10 FSC Classes 1005, 1010, TI Warning Indications of Malfunctions TI Muzzle and Breech Erosion in Barrel TI Inspection, Small Arms Weapons, Ordnance Material TM and Direct Support Maintenance Manual Including Repair Parts and Special Tools List for Bayonet-Knife M6 and M7,...
Section I REPAIR PARTS SPECIAL TOOLS TMDE AND SUPPORT EQUIPMENT 1
3-1. COMMON TOOLS AND EQUIPMENT. For authorized common tools and equipment, refer to the Modified Table of Organization and Equipment MTOE applicable to your unit. Air Force users must maintain the following common tools Flat tip screwdriver Socket wrench handle and socket head screw socket wrench Vise jaw caps Machinist's vise Solid center punch Hammer Torque wrench Retaining ring pliers Two 8-inch Ball-peen hammer Trigger pull test fixture rod and weights 1 8-inch drive pin punch 1 16-inch...
M4 Bolt Assembly
Figure C-2. Bolt Carrier Assembly M16A2 8448501 and M4 and M4A1 12011849. GROUP 01 BOLT CARRIER ASSEMBLY M16A2 8448501 AND M4 AND M4A1 12011849 FIG. C-2. BOLT CARRIER ASSEMBLY PIN,FIRING PIN RETA PIN,GROOVED,HEADED BOLT BOLT ASSEMBLY BOLT,BREECH ASSEMBLY M4 AND M4A1 KEY AND Figure C-3. Bolt Assembly M16A2 8448509 and M4 and M4A1 12972691 Figure C-3. Bolt Assembly M16A2 8448509 and M4 and M4A1 12972691 GROUP 0101 BOLT ASSEMBLY M16A2 8448509 AND M4 AND M4A1 12972691 FIG. C-3. BOLT ASSEMBLY...
Maintenance Procedures
Army personnel use chapter two for unit maintenance procedures and chapter three for direct support maintenance procedures. Air Force personnel Only Air Force Specialty Code 753XX Combat Arms Training and Maintenance CATM specialists, technicians, and gunsmiths are authorized to perform maintenance procedures contained in this manual. Each maintenance task has an initial setup containing a list of the following things you will need in order to do your maintenance task. 1. Tools and Special...
General Fec
I a. This section contains unit level troubleshooting information for locating and correcting most of the operating troubles which may develop in the M16A2 rifle, M4 M4A1 carbine. Each malfunction for the individual part or assembly is followed by a list of tests or inspections which will help you to determine the corrective actions in the order listed. b. This manual cannot list all malfunctions that may occur, nor all tests or inspections and corrective actions. If a malfunction is not listed...
Shipment Or Issue
a. Organizational Repair Parts, Tools, and Equipment. Rifles must be complete with all Items required by applicable Department of the Army publications, including those In the basic Issue items Iist of the appropriate operator's manual. b. Publications. Operator publications applicable to the equipment log book must accompany the equipment. All log book entries must be complete and up-to-date including those covering any repairs, replacements, or adjustments made to the rifle In complying with...
Info Kva
Figure C-13. Hammer Assembly M16A2 9349106, M4 9390032, and M4A1 8448610. 9349107 8448611 9349109 9349108 9390031 9349110 8448612 M16A2 9349106, M4 9390032, AND M4A1 8448610 FIG C-13 HAMMER ASSEMBLY SPRING, HELICAL, TORS HAMMER MI6A2 AND SPRING, HELICAL, TORS M4A1 SPRING, HELICAL, TORS BURST CAM M16A2 AND CAM, BURST M16A2 BLACK CAM, CONTROL M4 NICKEL SHINY HAMMER AND HAMMER P PIN RETAINER ASSEMBLY MI6A2 AND M4 HAMMER, FIRING, SMALL M4A1 Figure C-14. Trigger Assembly M16A2 9349115, M4 12972697,...
M4 Lower Receiver Assembly
Figure C-6. Upper Receiver and Barrel Assembly M16A2 9349050, and M4 and M4A1 12972680. TM9-1005-319-23LP 3 4 5 DESCRIPTION AND USABLE ON CODE UOC GROUP 03 UPPER RECEIVER AND BARREL ASSEMBLY M16A2 9349050, M4 AND M4A1 12972680 FIG. C-6. UPPER RECEIVER AND BARREL ASSEMBLY RECEIVER ASSEMBLY RECEIVER ASSY M4 AND HANDGUARD ASSEMBLY GUARD,HAND,GUN M4 AND TUBE,BENT,METALLIC TUBE,BENT,METALLIC M4 AND M4A1 BARREL ASSEMBLY BARREL AND FRONT SI SIGHT ASSEMBLY, REPLACEMENT M4 AND SHIM PIN,SPRING ,GAS...
Section III PRINCIPLES OF OPERATION CONT PRINCIPLES OF OPERATION
A MAGAZINE. Holds cartridges ready for feeding and provides a guide for positioning cartridges for stripping. Provides quick reload capabilities for sustained firing. B SLING. Provides the means for carrying the weapon. C BOLT CARRIER ASSEMBLY. Provides stripping, chambering, locking, firing, extraction, and ejection of cartridges using the drive springs and projectile propelling gases for power. D CHARGING HANDLE ASSEMBLY. Provides initial charging of the weapon. The handle latch locks the...
General Ftl
a The following items of auxiliary equipment are used in conjunction with the Weapons 1 40mm Grenade Launcher M203, NSN 1010-00-179-6447, M16A2 ONLY 2 Lock Plate, NSN 1005-00-233-9031. 3 Top Sling Adapter, NSN 1005-00-406-1570. 4 Blank Firing Attachment M15A2, NSN 1005-00-118-6192, M16A2 ONLY , Blank Firing Attachment M23, NSN 1005-01-361-8208 M4 ONLY Change 4 5 ARMY ONLY Conversion Kit, M261 caliber .22 rimfire adapter , NSN 1005-01-010-1561. 6 Bayonet-Knife M7, NSN 1005-00-073-9238. 7...
M12 Small Arms Storage Rack M4
10. Place selector lever in AUTO position. Charge weapon and pull trigger. Hammer should fall. 11. Hold trigger to the rear, charge weapon and release trigger. Pull trigger. Hammer should not fall. AUTO sear should have released hammer while holding trigger in the squeezed position before releasing and resqueezing the trigger. 12. With hammer in forward position, attempt to place the selector lever in the SAFE position. If selector lever can be placed on SAFE, evacuate the weapon to support...
Troubleshooting Procedures Page
Failure of magazine to lock in Failure to Failure to Failure to Failure to Failure to Failure to Failure to Failure to Short Rifle cannot be Failure to cycle with selector lever set on Fires two rounds with one pull of trigger with selector lever set on SEMI double Fires with selector lever on SAFE or when trigger is released with selector lever on Bolt assembly falls to lock to rear after firing last
Note Wby
2-16. UPPER RECEIVER AND BARREL ASSEMBLY, RIFLE BARREL ASSEMBLY, AND UPPER RECEIVER ASSEMBLY CONT . Refer to operator's manual for 'buddy system procedure on installing hand guard assemblies Install top of upper handguard assembly 12 In tube cap 13 while pushing down on handguard slip ring 14 . Push bottom of upper handguard assembly 12 in place and release handguard slip ring 14 to lock handguard assembly In place 9. Install top of lower handguard assembly 1 5 In tube cap 13 while pushing down...
Ml A RIFLE AND MMA CARBINE ANNUAL GAGING REQUIREMENTS
All Army Reserve and Army National Guard M16A2 rifles must be inspected and gaged at least once every 2 years, after the initial inspection gaging procedures have ARMY Small Arms Repairman Tool Kit been accomplished. This 2 year interval maintenance checks and services PMCS , or other physical evidence, indicates that an individual unit's rifles require inspection gaging at a more frequent interval. If it is determined that a yearly inspection is necessary for an individual unit, only that...