When you need a heavy hitting round in a familiar AR platform then get your hands on the Bushmaster .450 Bushmaster 20 Upper Receiver. This upper will mount right on your mil spec lower. With the .450 Bushmaster round you'll be able to take any large North American game. Tubular aluminum forends allow the barrel to free float from the nut forward giving your exceptional accuracy. The bore and the chamber are both chrome lines making for a long barrel life and easier cleaning. - Specifications and Features: - Aluminum free floated handguard - .450 Bushmaster caliber - 20 chrome lined barrel - A3 flattop upper - Izzy suppressor
Determined at checkout.