PSA 16" 5.56 NATO 1/7 Mid-Length Nitride 15" Lightweight Hex M-Lok MOE EPT Rifle Kit W/MBUS Sight Set, Flat Dark Earth

Barrel: 16" 4150V Chrome Moly Vanadium steel barrel, chambered in 5.56 NATO, with a 1:7 twist, M4 barrel extension, and a Mid-length gas system. The barrel is finished with a .750" diameter low-profile gas block, PSA 15" Lightweight Hex Full Picatinny M-Lok free-float rail and an A2 flash hider.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. The bolt is made of shot-peened, Mil-spec Carpenter 158A(R) steel. The gas key is secured with grade 8 fasteners and staked to the 8620 Steel Carrier. Includes Charging Handle.Lower Build Kit: PSA MOE EPT Lower Build Kit, Flat Dark EarthIncludes: Magpul MBUS Sight Set, Black