Shop › BLACK RAIN 223 BOLT CARRIER GRP LEFT BLACK RAIN 223 BOLT CARRIER GRP LEFT $244.00 sold out Black Rain Ordnance Left Hand Bolt Carrier Group 223Rem/556NATO, Biohazard Engraved, Nickel Boron Finish BRO-BCG-LH Sold Out Added! Black Rain Ordnance Left Hand Bolt Carrier Group 223Rem/556NATO, Biohazard Engraved, Nickel Boron Finish BRO-BCG-LH