All parts of upper are made in USA and Assembled in house.Upper: Aero AR15 Upper with forward assistBarrel: 18” 7.62 x 39 Barrel (Lifetime Warranty and MOA Guarantee)Barrel Material: 4150 Chrome Moly Vanadium ParkerizedBarrel Profile: Heavy BarrelBarrel Twist: 1:10 Twist RateGas Block: .750Gas System: Carbine Length Gas SystemThread: 5/8x24BCG: Black Nitride Finish, 9310 Steel Magnetic Particle Inspected(MPI) Bolt, Tool Steel Extractor. (Lifetime Warranty)Handguard: 17" MLOK RailCharging Handle: Ambi Charging Handle
Fits mil-spec AR-15 Lower.
