5.56/.223 Bolt Carrier Goups

Sharps XPB Bolt Carrier Group 5.56 w/ DLC (Diamond Like Carbon) Coating

Sharps XPB 5.56 Bolt Diamond Like Carbon Coated

Alpha Premium Nitride v2 Bolt Carrier Group 5.56

ALPHA 5.56 M16 Nitride Bolt Carrier Group

Sharps XPB Bolt Carrier Group 5.56 FDE

AIM TiN Titanium Nitride Bolt Carrier Group 5.56

*Blem* Alpha Nitride 5.56 Carrier - Carrier and Gas Key Only

ToolCraft 5.56 Nitride Bolt Carrier Group with 9310 Bolt

AIM TiN Light Weight Bolt Carrier Group 5.56

AIM H4 EXO Bolt Carrier Group 5.56/.223 MPI

AIM AR/M16 .223/5.56 TIN Bolt Carrier Group

AIM Nickel Boron BCG .223 / 5.56 MPI 9310 M16 Profile Bolt Carrier Group