Bear Creek Arsenal BC-15 5.56 NATO 20in Bolt Action Style Upper Receiver Government Profile 1-8 1/2x28 Flash Hider Black Nitride Cold Hammer Forged. 56 Nato upper is compatible with any mil-spec AR-15 lower. Magazine not included. Specifications for...
Bear Creek Arsenal BC-15 5.56 NATO 20in Bolt Action Style Upper Receiver Government Profile 1-8 1/2x28 Flash Hider Black Nitride Cold Hammer Forged. 56 Nato upper is compatible with any mil-spec AR-15 lower. Magazine not included. Specifications for...