Shop › PHASE5 BOLT CARRIER GROUP M16 BLK PHASE5 BOLT CARRIER GROUP M16 BLK $150.00 Phase 5 Weapon Systems Bolt Carrier Group, For M16, Black Phosphate Chrome Lined Finish BCG-M16 Quantity: Add To Cart Added! Phase 5 Weapon Systems Bolt Carrier Group, For M16, Black Phosphate Chrome Lined Finish BCG-M16