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NBS .223/5.56 Bolt Carrier Group – Black Nitride
BCA M16 Profile 5.56 NATO Complete Bolt Carrier Group – Black Nitride
Toolcraft .223/5.56/300 BLK M16 Profile Bolt Carrier Group – Black Nitride
AO Precision True Mil-Spec SP/HPT/MPI 5.56 Bolt Carrier Group
Microbest Mil-Spec C158 HPT/MPI 5.56 Bolt Carrier Group – Phosphate/Chrome-Lined
NBS Lightweight .223/5.56 Bolt Carrier Group – Black Nitride
Dirty Bird Industries Enhanced Bolt Carrier Group .223/5.56
Microbest C158 HPT/MPI 5.56 Bolt Carrier Group – Black Nitride
Lantac Mil-Spec 5.56 Bolt Carrier Group – Black Nitride
Toolcraft .223/5.56/300BLK M16 Profile Left-Handed Bolt Carrier Group – Black Nitride
Toolcraft .223/5.56/300 BLK C158 M16 Profile Bolt Carrier Group – Black Nitride
Toolcraft 6.5 Grendel Bolt Carrier Group – Black Nitride
NBS AR-15 .223/5.56 Bolt Carrier Group – Phosphate
Rise Armament AR-15/M-16 Bolt Carrier Group – Black Nitride
Faxon Firearms 6.5 Grendel 9310 Bolt Carrier Group Complete – Nitride
Lantac Enhanced AR-15/M16 Bolt Carrier Group
Faxon Firearms 5.56 LIGHTWEIGHT 9310 Bolt Carrier Group Complete – Nitride
Centurion Arms C4 5.56 M16 Bolt Carrier Group
CMC AR-15 Enhanced Bolt Carrier Group .223/5.56 – Black Nitride
NBS AR-15 .224 Valkyrie/6.8 SPC II Bolt Carrier Group – Nitride
Toolcraft .223/5.56/300 BLK M16 Profile Bolt Carrier Group Ion Bond DLC – FDE
Faxon Firearms Tin M16 Bolt Carrier Group
Dirty Bird AR-15 5.56/.223/300BLK Bolt Carrier Group – Phosphate/Chrome-Lined
Rosco Manufacturing Bloodline 5.56/300BLK M16 Bolt Carrier Group – Nitride