PSA 10.5" Carbine-Length 5.56 NATO 1/7 Phosphate 12" M-Lok MOE EPT Pistol, Black

Barrel: 4150V chrome-moly steel. Chambered in 5.56 NATO, with a 1:7 twist rate, M4 barrel extension, carbine-length gas system, and phosphate treated for accuracy and durability. This A2 profile barrel is finished off with a PSA 12" Lightweight Slant End M-Lok free-float rail, a .750" low-profile gas block, and PSA Fluted Flash Can.Upper: Forged 7075-T6 A3 AR upper is hard coat anodized. These uppers are made for us right here in the USA!Bolt: Full-auto profile bolt carrier group. Shot-peened, mil-spec Carpenter No. 158A(R) steel bolt. Gas Key Hardened to USGI Specifications, Fastened with Grade 8 screws, and Staked Per Mil-Spec. 8620 steel M-16 profile carrier is nitride treated.Lower: These forged lowers are quality made using 7075-T6 aluminum and are marked "MULTI" for caliber. The finish is hard coat anodized. The pistol buffer tube is hard coat anodized, Magpul Grip, and Enhanced Polished Trigger (EPT). **FFL Required