This AR-15 BCA side charging Receiver and Bolt carrier group (BCG) combo will work with any mil-spec 223, 5.56, 300 Blackout, or 350 Legend barrel.
This combo is a right-side charging (Gen2) handle (patent protected) and BCG, it includes an AR15 bolt carrier group (BCG), a threaded receiver plug, and the bear creek arsenal AR 15 right side charging upper receiver.
|Caliber||.223 / 5.56 NATO / .300 Blackout|
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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