The .308 BCG (Bolt Carrier Group) is an essential component within the heart of larger-caliber firearms, specifically tailored for the powerful .308 round. In the firearms industry, the BCG is instrumental in the cycling of ammunition, ensuring reliable firing and extraction. While the .308 cartridge is beyond the typical AR-15 caliber, it’s predominant in the AR-10 platform, merging the worlds of long-range hunting and tactical operations seamlessly. Take a look at our selection to find the one you need!