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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
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
Modern Armory .223/5.56 9310 Bolt Carrier Group – Black Nitride
LWRC Advanced Direct Impingement Bolt Carrier Group 6.8SPC
Geissele Automatics Reliability Enhancement Kit – H2
Colt’s Manufacturing Mil-Spec Bolt Carrier Group 223Rem/556NATO – Black
Ballistic Advantage AR-15 5.56/.223 Bolt Carrier Group – Black Nitride
Toolcraft .223/5.56/300 BLK M16 Profile Bolt Carrier Group Ion Bond DLC – FDE
NBS .223/5.56 Bolt Carrier Group – Chameleon
WMD Guns M16 5.56/.223 NiB-X Black Nickel Boron Bolt Carrier Group
Wilson Combat 6.8 SPC M16 Profile Bolt Carrier Group – Nickel Boron
Wilson Combat 6.5 Grendel M16 Profile Bolt Carrier Group – Polished NiB
Wilson Combat .223/5.56/300 BLK M16 Profile Bolt Carrier Group – Nickel Boron
Wilson Combat .223/5.56/300 BLK M16 Profile Bolt Carrier Group – Black Nitride
Wilson Combat .223/5.56/300 BLK Low Mass Profile Bolt Carrier Group – Polished NiB
Velocity Recoil-Less 5.56/.223 Bolt Carrier Group – Nano Diamond Nickel
Toolcraft Lightweight .223/5.56 BCG (Bolt Carrier Group) Black Nitride
Toolcraft Lightweight .223/5.56 BCG (Bolt Carrier Group) – TiN