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M16A2 Rifle

NSN 1005-01-128-9936, LIN R95035.  

The COEI / BII Listings and Component Hand Receipts on are valid for the M16A2 rifle, which is a product improvement of the M16A1 rifle and entered service in 1983. The major changes are:

  • a heavier, stiffer barrel than the barrel of the M16A1;
  • a redesigned handguard, using two identical halves, with a round contour which is sturdier and provides a better grip when holding the rifle;
  • a new buttstock and pistol grip made of a tougher injection moldable plastic that provides much greater resistance to breakage;
  • an improved rear sight which can be easily adjusted for windage and range;
  • a modified upper receiver design to deflect ejected cartridges, and preclude the possibility of the ejected cartridges hitting the face of a left-handed firer;
  • a burst control device, that limits the number of rounds fired in the automatic mode to three per trigger pull, which increases accuracy while reducing ammunition expenditure;
  • a muzzle compensator, designed to reduce position disclosure and improve controllability and accuracy in both burst and rapid semi-automatic fire;
  • a heavier barrel with a 1 in 7 twist to fire NATO standard SS 109 type (M855) ammunition which is also fired from the M249 Squad Automatic Weapon (SAW). This further increases the effective range and penetration of the rifle cartridge. The M16A2 will also shoot the older M193 ammunition designed for a 1 in 12 twist.

Video:  TOP 10 Combat Rifles of All Time - M16 (No.2)

Typical Accessories:

ACOG Scope (Multiple NSN)

M4 Triple Mag Pouch

M4 Staggered Mag Pouch

CQD Sling (NSN# 8415-01-504-3087)



Major End Items
NSN Description
1010-00-179-6447 M203, 40mm Grenade Launcher
5855-01-398-4315 PAQ-4 infrared laser designator
5855-01-447-8992 PEQ-2 infrared spotlight / laser designator
1240-01-492-5264 EOTech 1x Holographic-Diffraction Optical Reflex Sight
5855-01-432-0524 PVS-14, Monocular NVG (Can be mounted on M16 carrying handle using a rail adapter)
5860-01-471-2091 Laser Borelight System (LBS); used for field-zeroing mechanical and optical sights
RFI (Rapid Fielding Initiative) Accessories (Major End Items).  Fielded routinely to units through Force Modernization program, or through RFI bulk-issue during prep for deployment.
1005-01-452-6771 M5 Rail Adapter System (allows installation of accessories, such as a PEQ-2 or Surefire Tac-Light on front handguard)
1240-01-534-1114 and others ACOG (Advanced Combat Optical Gunsight) and other magnified and unmagnified optical sights, manufactured by Trijicon.
1240-01-411-1265 M68 CCO (Close Combat Optic) 1x "Red Dot" Optical Reflex Sight, manufactured by Aimpoint
RFI (Rapid Fielding Initiative) Accessories (Non Major End Items).  Fielded routinely to units through Force Modernization program, or through RFI bulk-issue during prep for deployment.
NSN Description
1005-01-541-1772 Rifle Bipod; Also called Forward Grip Bipod
1005-01-541-1771 Tactical Sling; Also called 3-Point Sling; (Click Here for more sling NSN's)
(TBP; LIN ZA905D) Enhanced sliding M4/M4A1 buttstock assembly; currently being mounted and used on M16-series rifle in large numbers because of the need to maneuver the weapon inside confined spaces (HMMWV interiors, for instance).  However, Ground Precautionary Messages state that this is "not authorized and can result in injury or equipment damage."
Other Accessories, Non Major End Items
NSN Description
Various SureFire Tactical Flashlight
4020-01-493-8337 Tactical Sling (not the RFI version), made by Blackhawk! and distributed through the Army supply system.  Carries weapon across chest, muzzle oriented downward, "at the ready"; (Click Here for more sling NSN's)
1005-01-520-5992 / 1005-99-126-9781 Heckler & Koch (HK) High-Reliability Steel Magazine
1005-01-541-2477 Multiple magazine holder; New AAL Item, may be included in RFI in the future
1005-01-541-2476 Forward rail bracket (also called CQB kit mini-rail); New AAL Item, may be included in RFI in the future
1005-00-921-5004 Standard 30-round magazine
1005-00-118-6192 M15A2 Blank Firing Adapter / Attachment (red in color, for M16 rifle only; yellow BFA, M23, NSN 1005-01-361-8208, is for the M4 carbine only)
5340-00-880-7666 Cap, Protective, Dust.  Keeps dust and dirt from entering the muzzle during normal operations, and can be left in place until the weapon is fired, but must be removed periodically to prevent rust build-up.
3rd Party Accessories -- COTS (Commercial, Off-the-Shelf)
Company Description
ARMS, Inc. ARMS #2 Rail adapters for M16A1/A2, which attach to the (non-removable) carrying handle and allow the attachment of optical aiming devices

Related End Items ("Also See...")

NSN Description
1005-01-231-0973 M4, Rifle, 5.56mm
1005-01-382-0953 M4A1, Rifle, 5.56mm (Rare, full-automatic version of M4)
1005-00-073-9421 M16A1, Rifle, 5.56mm (Largely phased out Army-wide)
1005-01-367-5112 M16A3, Rifle, 5.56mm (Very rare, full-automatic version of M16A2)
1005-01-383-2872 M16A4, Rifle, 5.56mm (Similar to M16A2, but with detachable carrying handle and modular rail system)
1005-00-903-0751 M134 Minigun ("Gatling Gun"), 7.62mm
1005-00-589-1271 M14, Rifle, 7.62mm
TBP Rifle, 5.56mm, HK416
1005-01-469-2133 Rifle, .50 Caliber, Sniper:  XM107 (Barrett Family)
1005-01-534-2841 XM110 Semi-Automatic Sniper System (SASS)
1005-01-240-2136 M24, Sniper Rifle, 7.62mm
1005-01-081-4582 M231, Submachine Gun, 5.56mm (Firing Port Weapon for Bradley)
1005-01-127-7510 M249, Machine Gun, 5.56mm, Belt and Magazine-Fed (Squad Automatic Weapon)
1005-01-118-2640 M9, Pistol, 9mm, Automatic, Beretta (Model 92F)
1005-00-017-9701 M7, Bayonet, Multi-Purpose (Older Model)
1005-01-227-1739 M9, Bayonet, Multi-Purpose (New Model, with saw blade and integral wire cutter)

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