PSA 7.5" 300AAC Blackout Nitride 6" Lightweight Hex M-Lok Upper Without BCG & CH

Barrel: 7.5" 4150V chrome moly steel. Chambered in 300 Blackout, with a 1:7 twist rate, M4 barrel extension, and a pistol-length gas system. The barrel is nitride treated and finished off with a PSA 6" Lightweight Hex Full Picatinny M-Lok Free Float Rail, a .750" low-profile gas block, and an A2 style flash hider.Upper: Forged 7075-T6 A3 AR upper is machined to MIL-SPECS and hard coat anodized. Uppers include forward assist and dust cover. These uppers are made for us right here in the USA by a mil-spec manufacturer.