Bushmaster .450 16" Barrel Flat-Top Complete Upper Assembly - 91700
- Type: Flat-Top
- Handguard: Black Carbine Length
- Caliber: 450 Bushmaster
- Barrel Type: Heavy
- Barrel Length: 16"
- Barrel Material: Carbon Steel
- Twist Rate: 1:24"
- Receiver Material: Carbon Steel
- Receiver Finish: Black
- Barrel Finish: Black Parkerized
Add the hard-hitting punch of the 450 Bushmaster to your Bushmaster lower receiver instantly. AR-type gas operating system drastically reduces recoil for excellent second shot control.
- Aluminum forearm free-floats the barrel for optimum accuracy
- Heavy barrel is hard-chrome lined in bore and chamber for exceptional durability and has 1:24 inches twist rifling, optimized for the 450 bullet
- (1) Includes 5 round 450 Bushmaster magazine
- Bolt carrier assembly