All parts of upper are made in USA and Assembled in house.Upper: Aero Precision AR15 Upper with forward assistBarrel: 10.5” 300 Blackout Barrel (Lifetime Warranty)Barrel Material: 4150 Chrome Moly Vanadium ParkerizedBarrel Profile: M4 BarrelBarrel Twist: 1:8 Twist RateGas Block: .750Gas System: Pistol Length Gas SystemThread: 5/8x24Handguard: 10" MLOK Rail
BCG: Black Nitride BCG, Nitride Finish, 9310 Steel Magnetic Particle Inspected(MPI) Bolt, Tool Steel Extractor. (Lifetime Warranty)
Charging Handle: Ambi Charging Handle
Fits mil-spec AR-15 Lower.
