PSA 16" Pistol-Length 300AAC Blackout 1/8 Phosphate 13.5" Lightweight M-Lok Upper - With BCG & CH

Barrel: 16" 4150V Chrome Moly Vanadium steel barrel, chambered in 300 Black Out, with a 1/8 twist, M4 barrel extension, and a pistol-length gas system. The barrel is finished with a .750" diameter low-profile gas block, PSA 13.5" Lightweight M-Lok Free Float Rail and an A2 flash hider. New Rail design with a fresh look and stippling on the sides of the rail for increased grip.Upper: Forged 7075-T6 A3 AR upper is hard coat anodized black for durability. Featuring M4 feed ramp cuts, these upper receivers are made for by right here in the USA.Bolt Carrier Group: For AR15 and M16 rifles and carbines. Bolt is made of shot-peened, Mil-spec Carpenter 158A(R) steel. The gas key is secured with grade 8 fasteners and staked. Includes Charging Handle.