BCA .458 SOCOM / .450 Bushmaster Bolt Carrier Group - BCG-450/458

BCA’s Bolt Carrier Groups come MPI inspected. Perfect for your next .450 Bushmaster or .458 SOCOM AR-15 Build.

Specifications:

Brand: Bear Creek Arsenal
Caliber / Guage: .450 / .458
Carrier Style: Standard
Platform: AR-15
Bolt Finish: Parkerized
Bolt Material: 9310 Steel
Carrier Finish: Black Nitride
Gas Key: Staked
Magnetic Particle Inspection: Yes