Bolt Carrier Groups

AT3 Tactical

AT3™ Black Nitride AR-15 Bolt Carrier Group – 5.56 NATO/.300 Blackout

STNGR USA

STNGR 5.56/.300 BLK Phosphate - Chrome Lined M16 Bolt Carrier Group - C158 Bolt

STNGR USA

5.56/223/300BLK, M16 PERFORMANCE BOLT CARRIER GROUP, NITRIDE, 9310 BOLT

STNGR USA

STNGR 5.56/.300 BLK Full Chrome M16 Bolt Carrier Group - C158 Bolt