Shoot your favorite caliber in an AR-15 platform with this 7.62x39/12.7x42 bolt carrier group! Bear Creek Arsenal's 7.62x39/12.7x42 bolt carrier groups (BCGs) are Magnetic Particle Inspected (MPI) to ensure high performance. BCA's 7.62x39/12.7x42 BCG is made with durable 9310 Steel and compatible with all rear charging 7.62x39/12.7x42 uppers; the gas key is also staked from the side for enhanced durability. Our 7.62x39/12.7x42 bolt carrier groups feature an enhanced extractor for increased durability when firing steel case ammunition.
Featuring a 7.62x39 enhanced firing pin for increased reliability for steel cased ammo and upgraded bolt.
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: 7.62x39/12.7x42
Carrier Style: Standard
Bolt Finish: Parkerized
Bolt Material: 9310 Steel
Carrier Finish: Black Nitride
Gas Key: Staked from the side for increased longevity
Magnetic Particle Inspection: Yes
|Caliber||7.62x39 / 12.7x42|
|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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