New .450 Bushmaster Caliber. 20 or 16 w. Izzy Suppressor. Includes 4 Rd. Magazine. These uppers will mount right on your mil. spec. Lower. With a velocity of 2200 FPS the Hornady 250 Gr. SST/FT bullet in the .450 Bushmaster Thumper is designed for all large North American game. Though not a long distance cartridge accuracy has proved to be exceptional out to 200 yards with felt recoil similar to a 20 ga. shotgun. Tubular aluminum forends allow the barrel to free float from the nut forward chrome lining in both bore and chamber makes for long barrel life and easy cleaning. - Barrel Length: 16 - Barrel Material: Chrome Moly Steel - Barrel Finish: Black Matte - Twist: 1:24 - Handguard: Free Float - Bolt Carrier Assembly Included: Yes
Determined at checkout.