Bolt Carrier Groups (BCG) & Parts

Here at MMC Armory we carry a wide range of bolt carrier groups(BCGs) and parts for your AR-15 and LR-308 platforms. We also offer .22lr conversion kits. Some of the brands featured here are Faxon, Fail Zero, Angstadt Arms, Sons of Liberty Gun Works, Kaw Valley Precision, and more. We carry BCG's for all popular calibers including .223 Wylde, 5.56 NATO,.224 Valkyrie, 300 Legend, .458 SOCOM, 12.7x42 (.50 Beowulf), .450 Bushmaster, 9mm, 7.62x39, 300 Blackout (AAC), 6.5 Creedmoor, 6.5 Gendel, 45 ACP, and .243 WIN. Be sure to check out our MMC Bundles for added value.