PSA 16" M4 5.56 NATO 1/7 Phosphate MOE Upper With BCG, CH, & Rear MBUS - Black

#html-body [data-pb-style=TF3TNG9]{justify-content:flex-start;display:flex;flex-direction:column;background-position:left top;background-size:cover;background-repeat:no-repeat;background-attachment:scroll;border-style:none;border-width:1px;border-radius:0;margin:0 0 10px;padding:10px}#html-body [data-pb-style=RYG2G0H]{border-style:none;border-width:1px;border-radius:0;margin:0;padding:0}Barrel: Phosphate finished 4150V chrome moly vanadium 16" barrel. Chambered in 5.56 NATO, with a 1:7 twist, M4 barrel extension, and a carbine-length gas system. Barrel is is finished off with Magpul MOE carbine-length handguards, F-Marked gas sight base, and A2 flash hider.Upper: Forged 7075-T6 A3 AR upper is made to MIL-SPECS and hard coat anodized for durability. These uppers are made for us right here in the USA by a mil-spec manufacturer.Bolt: Full-auto profile bolt carrier group. Milspec Carpenter No. 158(R) steel bolt, Mag particle inspected. Gas Key Hardened to USGI Specifications, Fastened with Grade 8 screws, and Staked Per Mil-Spec. Includes: Magpul MBUS Rear Sight - Black