PSA 11.5" 5.56 NATO 1/7" Nitride Upper with BCG & Charging Handle

Barrel : 11.5" Nitride finished chrome moly vanadium barrel. Chambered in 5.56 NATO, with a 1:7 twist, M4 barrel extension, and a carbine-length gas system. Barrel is finished off with a classic carbine-length handguard, F-Marked gas sight base, and A2 flash hider. Upper : Forged 7075-T6 A3 AR upper is made to MIL-SPECS and hard coat anodized black for durability. Featuring a mil-spec finish. These uppers are made for us right here in the USA by a mil-spec manufacturer. Bolt : Bolt is made of Mil-spec shot-peened Carpenter 158 steel. Gas key is secured with grade 8 fasteners and staked per mil-spec.