PSA 16" Mid-Length 5.56 NATO 1:7 Nitride 13.5" Hex M-Lok MOE EPT Rifle Kit With MBUS Sight Set, Gray

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 13.5" 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. The Bolt carrier is 8620 Steel. Includes Charging Handle.
Lower Build Kit: PSA MOE EPT Lower Build Kit, Gray
Includes: Magpul MBUS Sight Set, Black