PSA 10.5" 5.56 NATO 1/7 Phosphate 9" Lightweight Hex M-Lok MOE EPT SBA3 Pistol Kit

Barrel: 10.5" 4150V Chrome Moly vanadium steel, phosphate coated and chambered in 5.56 NATO with a 1 in 7" twist. The carbine length gas barrel is finished off with a PSA 9" Lightweight Hex Full Picatinny M-Lok Free Float Rail, a low profile gas block, and a PSA 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 Carrier Group: Bolt is made of mil-spec shot-peened Carpenter 158 steel and the gas key is secured with grade 8 fasteners and staked per mil-spec. Full auto carrier is made of 8620 steel.Build Kit: A high quality lower build kit with everything you need to assemble your AR-15 lower into a pistol. Features Magpul MOE Grip, Magpul MOE Polymer Trigger Guard, and PSA Enhanced Polished Trigger (EPT). It also includes SB Tactical SBA3 Adjustable Pistol Brace, castle nut, latch plate, carbine buffer spring, 5 positioning mil-spec buffer tube, and standard carbine buffer.