5.56/300BLK Bolt Carrier Groups

Faxon AR-15 Bolt Carrier Group 5.56x45mm NATO Nitride Black

Faxon AR-15 Bolt Carrier Group 5.56x45mm NATO Titanium Nitride PVD

Faxon Gunner Lightweight AR-15 Bolt Carrier Group 5.56x45mm NATO Nitride Black

Angstadt Arms Bolt Carrier Group Black .223/556

Sons of Liberty Gun Works Bolt Carrier Group AR-15 223 Remington, 5.56x45mm, 300 AAC Blackout Phosphate

Wilson Combat AR-15 Bolt Carrier Group Nitride

Faxon AR-15 Bolt Carrier Group 5.56x45mm NATO Chameleon PVD

KAK K-SPEC AR-15 Bolt Carrier Group 5.56x45mm NATO Phosphate Black

Wilson Combat Bolt Carrier Assembly 5.56 NATO

Faxon Gunner Lightweight AR-15 Bolt Carrier Group 5.56x45mm NATO Titanium Nitride PVD

Wilson Combat AR-15 Bolt Carrier Group Nickel Boron

Rosco Manufacturing Bolt Carrier Group .300 AAC Blackout/5.56x45mm, Black

KAK Industry K-SPEC Enhanced Bolt 5.56 / .300 AAC Blackout for AR-15

KAK Industry K-SPEC Enhanced Bolt Silver for AR-15 .300 AAC Blackout

KAK Industry Bolt Carrier Group 5.56 for AR-15/M16

Faxon Gunner Lightweight AR-15 Bolt Carrier Group 5.56x45mm NATO Chameleon PVD

KAK Industry Bolt Carrier Group for AR-15 Silver 5.56 / .300 AAC Blackout

KAK Industry K-SPEC Enhanced Low Mass Bolt Carrier Group Gold 5.56 / .300 AAC Blackout for AR-15

KAK Industry Bolt Carrier Group Titanium Gray 5.56 / .300 AAC Blackout

Wilson Combat AR-15 Low Mass Bolt Carrier Assembly

KAK Industry K-SPEC Enhanced Bolt Carrier Group Silver 5.56 / .223 Rem

Noveske Bolt Carrier Group AR-15 223 Remington, 5.56x45mm NATO, 300 AAC Blackout DLC Black

KAK Industry K-SPEC Enhanced Bolt Carrier Group Flat Dark Earth 5.56 / .300 AAC Blackout

KAK Industry K-Spec Enhanced Bolt Carrier Group 5.56x45mm/.300 AAC Blackout, Silver