Chrome Moly steel, nitride-coated barrel chambered in 5.56 NATO with a 1/7 twist, M4 barrel extension, and carbine-length gas system. The barrel is finished with a DPMS 10.5″ Lightweight M-Lok rail, low-profile gas block, and A2 flash hider. These forged lowers are made from 7075-T6 aluminum and are marked ,MULTI, for caliber. The finish is hard coat anodize. Finished with a retro A2 grip, CAR-15 Blade Pistol Stabilizing Brace, and a 6-position 7075 buffer tube. The fire control group is a DPMS mil-spec single-stage assembly.