Shop › FAXON 5.56 M16 BCG BLK FAXON 5.56 M16 BCG BLK $133.40 Faxon Firearms Bolt Carrier Group, 5.56NATO, Fit AR-15, Salt Bath Nitride Finish, Black FF556BCGCNITRIDE Quantity: Add To Cart Added! Faxon Firearms Bolt Carrier Group, 5.56NATO, Fit AR-15, Salt Bath Nitride Finish, Black FF556BCGCNITRIDE