PSA AR-15 Rifle Kit 5.56 16" Nitride 1:7 Mid-Length 13.5" M-Lok MOE w/ MBUS Sights

PSA AR-15 rifle kit with a 16 inch 4150 chrome-moly vanadium barrel, 5.56 NATO chamber, 1:7 twist, nitride finish, mid-length gas system, low-profile .750 gas block, A2 flash hider, forged 7075-T6 M4 upper receiver, PSA 13.5 inch lightweight M-Lok rail, Carpenter 158 full-auto bolt carrier group, charging handle, Magpul MBUS front and rear sights, and PSA Enhanced Polished Trigger fire control group.