PSA 7" Nitride 5.56 1/7 6" Hex Lightweight M-Lok Upper - No BCG & Charging Handle

Barrel:7" 4150V Chrome Moly vanadium steel, nitride treated for durability and chambered in 5.56 NATO with a 1 in 7" twist, 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.