PSA 11.5" 5.56 NATO 1/7 Nitride 10.5" Lightweight Hex M-Lok Upper - Without BCG & CH

Barrel: 11.5" Chrome Moly vanadium steel, nitride treated for durability and chambered in 5.56 NATO with a 1 in 7" twist rate. With a carbine length gas system, the barrel is finished off with a PSA 10.5" Lightweight Hex M-Lok Rail, a low-profile gas block and an A2 flash hider. Upper: Forged 7075-T6 A3 AR upper is made to MIL-SPECS and hard coat anodized black for durability. These uppers are made for us right here in the USA by a mil-spec manufacturer. **This upper does not include BCG or charging handle.