Bear Creek Arsenal AR-15 .450 Bushmaster 18in Right Side Charging Upper Receiver with BCA Muzzle Brake

This BCA AR-15 complete .450 Bushmaster rifle length upper has a 16 inch Heavy barrel with a parkerized finish, and features a 1:24 twist rate, with a carbine length gas system. It includes a 11.5 inch MLOK rail, an M4 flat-top forged upper receiver, a BCA bolt carrier group, a flash hider, and a rear charging handle. This .450 Bushmaster upper is compatible with any mil-spec AR-15 lower.Shop more .450 Bushmaster Uppers! Specifications for Bear Creek Arsenal AR-15 .450 Bushmaster 18in Right Side Charging Upper Receiver with BCA Muzzle Brake: Manufacturer: Bear Creek Arsenal Cartridge: .450 Bushmaster Barrel Length: 18 in Barrel Profile: Heavy Gas System Length: Mid Length Barrel Twist Rate: 1-24 Finish: Parkerized Handguard Length: 15 in Gun Rail: M-LOK Gun Make: AR Platform Gun Model: AR-15 Barrel Material: 416R Stainless Steel Package Contents: Bear Creek Arsenal AR-15 .450 Bushmaster 16in Parkerized Heavy Barrel 1-24 Twist Carbine Length 11.5in MLOK Upper Receiver