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LEARN MORE ABOUT THE AR-10 & AR-308 BOLT CARRIER GROUPS AT PRIMARY ARMS
Primary Arms carries a full line of quality AR-10 & AR-308 bolt carrier groups from trusted brands like Battle Arms Development, JP Enterprises, Fail Zero, Black Rain, and Aero Precision. Here you will find bolt assemblies, bolt and carrier parts, carrier assemblies, complete bolt carrier groups, and small parts and components. At Primary Arms you will find the best prices, industry leading customer service, and fast shipping. Shop now!