PSA 7.5" 300AAC Blackout 1/7 Nitride 6" Lightweight Hex M-Lok Classic Shockwave Pistol Kit

Barrel: 7" 4150V Chrome Moly Vanadium steel, phosphate coated and chambered in 300AAC Blackout with a 1 in 8" twist. The pistol-length gas barrel is finished off with a PSA 6" Lightweight Hex Full Picatinny M-Lok Free Float 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: The bolt is made of Mil-spec shot-peened Carpenter 158 steel. The gas key is secured with grade 8 fasteners and staked per mil-spec. Build Kit: A high quality lower build kit with everything you need to assemble your AR-15 lower into a pistol. Pistol kit includes a Shockwave Blade pistol stabilizer, Shockwave tube, PSA classic A2 grip, USGI trigger guard, carbine buffer spring, and standard carbine buffer.