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Parts kit. A parts kit is a collection of weapon (notably firearm) parts that, according to the Bureau of Alcohol, Tobacco, Firearms, and Explosives (ATF), "is designed to or may be readily be assembled, completed, converted, or restored to expel a projectile by the action of an explosive." [1] As an example, the kit may not include a receiver ...
The MkG is a .45 ACP caliber, radial delayed blowback carbine. This system uses the rotation of the bolt head to accelerate the bolt carrier of an AR-15 pattern rifle. The bolt locking lugs are adapted to incorporate angles that rotate the bolt as it travels rearward under conventional blowback power. As the bolt rotates, it must accelerate the ...
Polymer80, Inc. is an American manufacturer of parts kits containing firearm parts including unfinished receivers (also known as "80 percent" receivers) used for making privately made firearms. The company was founded in 2013 by Loran Kelley Jr. and David Borges and is headquartered in Dayton, Nevada. Polymer80 has received press coverage ...
The Mk47 Mutant has an AR-10-sized bolt carrier, [8] which was enlarged, with a CMMG RKM KeyMod handguard [3] [5] and an upper/lower receiver manufactured from 7075-T6 billet aluminum. [2] The rifle has an AR-15-based pistol grip, safety selector, trigger group and a buffer tube. [2] It was influenced by the CMMG Mk3 assault rifles. [9]
The AR-57 PDW upper is a new design on AR-15/M16 rifles, blending the AR-15/M16 lower with a lightweight, monolithic upper receiver system chambered in 5.7×28mm. This model is also sold as a complete rifle, supplied with two 50-round P90 magazines. [1] The magazines mount horizontally on top of the front handguard, with brass ejecting through ...
The AR-15 rifle usually comes chambered for either the military cartridge 5.56×45mm or the .223 Remington. Because of the pressures associated with the 5.56×45mm, it is not advisable to fire 5.56×45mm rounds in an AR-15 marked as .223 Remington, since this can result in damage to the rifle or injury to the shooter. [1]
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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.