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The anatomy of a gunstock on a Ruger 10/22 semi-automatic rifle with Fajen thumbhole silhouette stock. 1) butt, 2) forend, 3) comb, 4) heel, 5) toe, 6) grip, 7) thumbhole A gunstock or often simply stock, the back portion of which is also known as a shoulder stock, a buttstock, or simply a butt, is a part of a long gun that provides structural support, to which the barrel, action, and firing ...
The Colt Automatic Rifle or Colt Light Machine Gun is a 5.56 mm NATO, open-bolt, full-automatic-only firearm developed by Colt Defense.It is based on the M16A2/A4, and has a distinctive squared-off handguard, vertical grip, carrying handle and integrated bipod.
It also has many modern features, including an adjustable or A2 fixed stock, pistol grip, adjustable sights, and MIL-STD-1913 Picatinny rail. [2] The TPS features an M16A2-style front and rear sight. The sights are adjustable for both elevation and windage. [3]
Initial sales of the Colt AR-15 were slow, primarily due to its fixed sights and carry handle that made scopes difficult to mount and awkward to use. [84] Military development of compact military AR-15 carbines encouraged production of a 16-inch (41 cm) barreled civilian SP1 carbine with a collapsible buttstock beginning in 1977.
Fixed Stocks. A1: Fixed stock as used on M16 and M16A1. May or may not have a trapdoor to store a cleaning kit; A2: Improved stock used on M16A2. Longer by 5/8" Tubular: Fixed tubular buttstock, similar to the 2nd Generation retractable unit, using a receiver extension and triangular rear with buttplate; Retractable Stocks
The AR-15's most distinctive ergonomic feature is the carrying handle and rear sight assembly on top of the receiver. This is a by-product of the original ArmaLite design, where the carry handle served to protect the charging handle. [14] As the line of sight is 2.5 in (63.5 mm) over the bore, the AR-15 has an inherent parallax problem. At ...
Eugene Morrison Stoner (November 22, 1922 – April 24, 1997) was an American machinist and firearms designer who is most associated with the development of the ArmaLite AR-15 rifle that was redesigned and modified by Colt's Patent Firearm Company for the United States military as the M16 rifle.
FN A1: McMillan A3 stock, heavy 24-inch barrel. FN A1a: McMillan A3 stock, heavy 20-inch barrel. FN A2: McMillan A4 stock with buttpad spacers and adjustable cheekpiece, 24-inch barrel. FN A4 Shooting System: FN A2 with scope and bipod. FN A3G: McMillan A3 stock with buttpad spacers and adjustable cheekpiece, 24-inch heavy fluted barrel.