Shoot a huge range of calibers with this bolt carrier group (bcg) compatible with Rear Charging 5.56, 223, 300 Blackout, and 350 Legend AR-15 uppers or rifles! Bear Creek Arsenal's 5.56/223/300 Blackout/350 Legend bolt carrier groups (BCGs) are Magnetic Particle Inspected (MPI) to ensure high performance. BCA's 5.56/223 BCG is made with durable 9310 Steel and the gas key is also staked from the side for enhanced durability. Use a Bear Creek Arsenal BCG for your next AR-15 build and experience high performance at a lower cost!
Brand: Bear Creek Arsenal
Caliber / Gauge: .223/5.56 NATO/.300 Blackout/.350 Legend
Carrier Style: Standard
Bolt Finish: Parkerized
Bolt Material: 9310 Steel
Carrier Finish: Black Nitride
Gas Key: Staked from the side to increase longevity
Magnetic Particle Inspection: Yes
|Caliber||.223 / 5.56 NATO / .300 Blackout|
|Charging Style||Rear Charging|
|Classification||Bolt Carrier Group|
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...
What magazine/ammo does BCA recommend for each caliber?
These are brands that BCA uses in the facility to test fire our products. However, there are several brands that will also function properly. Caliber Magazine Ammo Grain Weight Ammo Brands BCA Status AR15 - 223/5...
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