BAD-BCG-9MM

Battle Arms Development Bolt Carrier Group9mmNitride FinishBlackFeatures:9mm Blowback AR-15 Bolt Carrier GroupGLOCK and COLT Magazine CompatibleMilSpec 8620 Heat Treated Steel CarrierReliable External AR-15 Style ExtractorFull-Auto CompatibleCompatible with Most AR-15 TriggersDurable…