BCA .458 SOCOM / .450 Bushmaster Right Side Charging Bolt Carrier Group

In stock
SKU: BCG-450-458SC

  • 9310 Steel
  • Side Charging
  • Includes Bolt, Bolt Carrier, Extractor Pin, Firing Pin, Cam Pin
  • Staked Gas Key
  • .458 and .450 Caliber
  • Black Nitride Finish Carrier
  • Parkerized Finish Bolt

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


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

More Information
SKU BCG-450-458SC
Weight (lbs) 0.750000
Magazine Capacity N/A
Finish Chrome Lined
Material 4150 Chrome Moly Vanadium
Caliber Multi Caliber
Charging Style Right Side Charging
Classification Bolt Carrier Group
Platform AR-15
Customer Reviews
Customer Questions
Is my BCA BCG staked?
Yes! We have changed to staking BCGs from the side instead of from the top. All BCA BCGs are rated for full auto, this side staking process has proven to increase the longevity of the BCG and hold on the gas keys. If you have further questions, please...
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