PSA 20" Rifle Length 1/7 Nitride 15" Lightweight M-lok Upper – With BCG & CH

Barrel: 4150 Chrome-Moly Vanadium with Nitride finish. Chambered in 5.56 Nato, with a 1:7 twist, M4 barrel extension, and a rifle-length gas system. Barrel is finished off with a NEW PSA 15" Lightweight M-Lok free float rail, .750 gas block, and 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 us 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. Gas key is secured with grade 8 fasteners and staked. Includes Charging Handle.