Weight: 14.33 lbs (6.5kg) empty without telescope.Magazine: 10 or 12 round detachable box magazine.Model 655 M16A1 SHP (Special High Profile) - Colt Model Designation for sniper variant heavy barrel and LeatherwoodRealist 3.9x Adjustable Ranging Telescope scope mount. Model 601 - Colt Model adapted by the USAF 1:14-inch rifling twist triangular charging handle.

The weapon has seen combat actions through the Vietnam War (and its subsequent regional civil wars), Grenade, Panama, the 1991 Gulf War, the Somali Civil War and - most recently - in the American-led invasions of Afghanistan and Iraq following the events of 911. Over 10 million M16 units (including all deviations) have been produced since 1959. The M16 has seen production by Colt Defense, Daewoo Precision Industries (South Korea), FN Herstal (Belgium), HR Firearms, General Motors Hydramatic Division, Elisco and U.S. The barrel is also designed to mount the 40mm M203 grenade launcher. The M16A4 differs from preceding M16 forms in that it has a removable carrying handle to accommodate for mounted accessories such as an optical sights. The M4 Carbine is nothing more than a compact variant of the M16 line - based on the evolutionary M16A2 model. The ACR shared the common M16 look and was built from the existing M16A2 production model. Though never having entered production, Colt Advanced Combat Rifle (ACR) was tested to the extreme as the next-generation infantry weapon for the US Army. The M231 became another M16-related form, this as a stripped down M16 intended for port-firing from vehicles. Production was limited and its adoption was equally limited to special units. The M16A3 mark brought about in 1996 was developed to cover a full-automatic variant of the M16A2 with the trigger group of the M16A1 allowing for semi- and full-automatic fire modes.Ī removable carrying handle allowed for use of various optics and aimers. It keeps the general (and highly identifiable) M16 AR-15 shape which includes its two-piece (upper and lower) receiver system, standalone pistol grip with integrated trigger group, a handguard shrouding the gas system and a portion of the barrel and the triangular shoulder stock. It also fires the 5.56x45mm NATO standard cartridge though from a longer, curved 30-round detachable box magazine. The USMC was the first US service branch to adopt the improved M16A2 in the mid-1980s with other service branches following suit.ĭespite the laundry list of changes, the M16A2 does retain the tried-and-true gas-operated, direct impingement rotating bolt system of the original M16. Muzzle climb has been substantially reduced and use of plastics has made for a lightened end-product. The full-automatic fire functionality of the original M16 was dropped in preference for a more controllable three-round burst fire mode along with the standard semi-automatic fire.

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