PSA 16" PISTOL LENGTH 300 AAC BO 1:8 NITRIDE 13.5" M-LOK FREEDOM UPPER - WITHOUT BCG OR CH

Barrel: This Chrome Moly vanadium 4150V barrel is chambered in .300 AAC Blackout with a 1:8" twist, M4 barrel extension, and a pistol-length gas system. It is nitride treated for accuracy and durability, and is finished off with a .750" diameter gas block, PSA 13.5" anodized M-Lok free float rail, and an A2 Flash Hider. Upper: The forged 7075-T6 A3 AR upper is machined to MIL-SPECS and hard coat anodized. These uppers are made for us right here in the USA by a mil-spec manufacturer.The 300 AAC Blackout cartridge is based on a 5.56 casing, and as such uses a standard AR15 BCG (not included).