PSA 7.5" 5.56 NATO 1/7 Phosphate 7" Lightweight M-Lok Upper w/BCG & CH

#html-body [data-pb-style=LRON4LW]{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=QURXGYN]{border-style:none;border-width:1px;border-radius:0;margin:0;padding:0}Barrel: 7.5" 4150V Chrome Moly Vanadium steel, phosphate coated and chambered in 5.56 NATO with a 1 in 7" twist. Pistol-length gas barrel is finished off with a PSA 7" Lightweight 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. Featuring a mil-spec finish, these uppers are made for us right here in the USA by a mil-spec manufacturer.Bolt: Bolt is made of Mil-spec shot-peened Carpenter 158 steel. Gas key is secured with grade 8 fasteners and staked per mil-spec.