An AR-15-style rifle is any lightweight semi-automatic rifle based on or similar to the Colt AR-15 design. The original ArmaLite AR-15, its predecessor, was a scaled-down derivative of Eugene Stoner's ArmaLite AR-10 design and featured selective fire. Tech Zoo #rifle #machine #design #technology #mechanism | Tech Zoo

ATF Pistol Brace Update Update on the... - Tactical Advisor

Pistol Brace AR-15s and the ATF