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Griffin Armament Enhanced Mil-Spec Bolt Carrier Group – 5.56 NATO
Lantac Enhanced AR-15/M16 Bolt Carrier Group – TiN
Aero Precision 5.56 Bolt Carrier Group, Complete – Phosphate
Faxon Firearms 6.8/.224 Valkyrie AR-15 Bolt Carrier Group – Nitride
Toolcraft 7.62×39 M16 Profile Bolt Carrier Group – Black Nitride
Rosco Manufacturing Bloodline 5.56/300BLK M16 Bolt Carrier Group – Nitride
Geissele Automatics Reliability Enhancement Kit – H3
Geissele Automatics Reliability Enhancement Kit – H1
Rubber City Armory Lightweight AR-15 Titanium BCG
Rubber City Armory Blacknitride+ 6.8 SPC/.224 Valkyrie Bolt Carrier Group
Faxon Chameleon M16 Bolt Carrier Group
CMMG 22LR AR Conversion Kit, Bravo, w/ 10rd Magazine
ODIN Works AR-10 .308/6.5 Creedmoor/6mm Creedmoor Black Nitride Bolt Carrier Group
BCA M16 Cut 7.62x39mm Complete Bolt Carrier Group – Black Nitride
Aero Precision .308 / 7.62 Bolt Carrier Group Complete – Phosphate
Microbest C158 HPT/MPI 5.56 Bolt Carrier Group – Black Nitride
Toolcraft .223/5.56/300 BLK M16 Profile Bolt Carrier Group Ion Bond DLC – Grey
Toolcraft .223/5.56/300 BLK C158 M16 Profile Bolt Carrier Group – Black Nitride
Stag Arms AR-10 / 308 / 6.5 Creedmoor Bolt Carrier Group – Black Nitride
NBS Lightweight .223/5.56 Bolt Carrier Group – Nickel Boron
NBS Lightweight .223/5.56 Bolt Carrier Group – Black Nitride
NBS 9mm Bolt Carrier Group – Blue PVD
NBS .223/5.56 C158 Bolt Carrier Group – Black Nitride
NBS .223/5.56 Bolt Carrier Group – Blue PVD