#html-body [data-pb-style=B5TVSLI]{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=YY0B53Y]{border-style:none;border-width:1px;border-radius:0;margin:0;padding:0}Barrel: 16" Chrome-moly vanadium steel barrel Chambered in 5.56 NATO with a 1/7 twist. The barrel is nitride-treated for durability and finished off with a Palmetto State Armory Custom rail and a birdcage style A2 flash hider.Upper: Billet 6061-T6 AR upper is Teflon-Coated for durability. These upper receivers are made for us right here in the USA. Finished with a Sig Romeo 5, and MBUS sight set.Bolt Carrier Group: Nitride treated C158 MPI steel bolt, with external 5.56 style extractor. The bolt carrier group is compatible with most aftermarket fire control groups.Lower: These forged lowers are quality made using 7075-T6 aluminum and are marked "MULTI" for the caliber. The finish is Teflon-coated. The Mil-spec diameter 7075-T6 buffer tube is hard-coat anodized with 6 adjustment positions and is fitted with a MOE Carbine Stock, Magpul grip, PSA Custom Short/Long Throw Ambi Safety, and PSA Custom 3.5 lb Flat-Bow FCG. The Palmetto State Armory Custom Series line of accessories, components, and firearms are designed to give you the tactical or competitive advantage when you need it most!