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The ArmaLite AR-15 [note 3] is a gas-operated assault rifle manufactured in the United States between 1959 and 1964. [10] Designed by American gun manufacturer ArmaLite in 1956, it was based on its AR-10 rifle.
[73] [74] The military M4 carbine typically uses a 14.5-inch (37 cm) barrel. Civilian rifles commonly have 16-inch (41 cm) or longer barrels to comply with the National Firearms Act. [75] To prevent a civilian semi-automatic AR-15 from being readily converted for use with the select fire components, several features were changed.
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.
11.5 in. A1 1:12 No 4.5" Moderator or A1 639 Colt SMG: 2nd Short Ribbed S-1-3 A1 No Yes 9mm NATO 10 in. A1 w/ integral silencer: 1:10 No A2 Compensator 640: XM177 Commando: 2nd Generation Short Ribbed S-1-F A1 No No .223 REM 11.5 in. A1 1:12 No 4.5" Moderator or A1 645: M16A1E1: A1 Ribbed S-1-3 A2 Yes Yes 5.56 NATO 20 in. A2 1:7 Yes A2 ...
The Colt AR-15 is a product line of magazine-fed, gas-operated, autoloading rifle manufactured by Colt's Manufacturing Company ("Colt") in many configurations. [1] The rifle is a derivative of its predecessor, the lightweight ArmaLite AR-15, an automatic rifle designed by Eugene Stoner and other engineers at ArmaLite in 1956.
AR-100 series [4] based on the AR-16 that used a self ejecting magazine device. [5] Used in development of Ultimax 100 LMG. AR-30, AR-30A1, AR-31.308 Winchester, .300 Winchester Magnum, .338 Lapua: ArmaLite: Bolt-action rifle based in part on the ArmaLite AR-50 rifle. AR-50.50 BMG: ArmaLite: Single-shot, .50 caliber bolt-action sniper and long ...
An AR-15 or similar rifles are semiautomatic, military-style weapons that can fire at least 30 rounds, the number of bullets a magazine typically carries, according to NPR. The term semiautomatic ...
The 6.5 Grendel bullets have a true diameter of 6.71mm / 0.264" and the 6.5 Grendel case can be formed from abundant 7.62x39 cases with a neck re-sizing die, and fire-forming a slight change to the shoulder, if the case is made from brass. Many of the popular 7.62x39 cases are made from steel, which will not work for reforming the shoulder.