Forged 7075-T6 A3 AR upper is made to MIL-SPECS and hard coat anodized black for durability. Featuring machined T marks, and a mil-spec finish. These uppers are made for us right here in the USA by a mil-spec manufacturer. 18 inch 416 Stainless steel barrel. Chambered in 223 Wylde, with a 1:7 twist, M4 barrel extension, and a rifle-length gas system. Barrel is is finished off with a PSA 15" Lightweight Keymod free float rail, .750 gas block, and A2 flash hider. INCLUDES Bolt Carrier and Charging Handle.