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Kaw Valley Precision 9mm Bolt Carrier Group – Black Nitride
Centurion Arms C4 5.56 M16 Bolt Carrier Group
Faxon Firearms 6.5 Grendel 9310 Bolt Carrier Group Complete – Nitride
VKTR Industries AR-15 Direct Impingement 5.56/.223 Bolt Carrier Group – Hard Chrome
Geissele Automatics Reliability Enhancement Kit – H1
Wilson Combat 6.8 SPC M16 Profile Bolt Carrier Group – Nickel Boron
Rubber City Armory Low Mass Competition AR-15 BCG w/ Adjustable Gas Key
Lantac Enhanced AR-15/M16 Bolt Carrier Group
JP Enterprises 9mm Bolt Carrier Group w/ Gen 2 Silent Capture Spring
Faxon Firearms Tin M16 Bolt Carrier Group
Dirty Bird Industries Enhanced Bolt Carrier Group .223/5.56
Griffin Arms Enhanced Gas Pocket AR-15 Bolt Carrier Group w/ Spring and Buffer
Rubber City Armory Low Mass Competition AR-15 BCG
Rubber City Armory Blacknitride+ 6.8 SPC/.224 Valkyrie Bolt Carrier Group
JP Enterprises 9mm Bolt Carrier Group
Faxon Firearms 5.56 LIGHTWEIGHT 9310 Bolt Carrier Group Complete – Nitride
Battle Arms 9MM Enhanced Blowback AR15 Bolt Carrier Group
Battle Arms M16 .223/5.56 Bolt Carrier Group – Nitride
RISE Armament RA-1010 Low-Mass .223/5.56 Bolt Carrier Group – Nickel Boron
Wilson Combat .223/5.56/300 BLK M16 Profile Bolt Carrier Group – Phosphate/Chrome-Lined
Wilson Combat .223/5.56/300 BLK M16 Profile Bolt Carrier Group – Black Nitride
Rubber City Armory Blacknitride+ M16 Bolt Carrier Group w/ Adjustable Gas Key
Rubber City Armory Blacknitride+ 6.5 Grendel Bolt Carrier Group
Rubber City Armory Blacknitride+ 458 Socom/450 Bushmaster Bolt Carrier Group