Shop › LANTAC M-SPEC BCG 762 NITRIDE BLK LANTAC M-SPEC BCG 762 NITRIDE BLK $220.99 LanTac USA LLC M-SPEC, Bolt Carrier Group, 308 Winchester/762NATO, Fits AR10, M16 Style, Nitride Finish, Black 01-MSPEC-762-NIT-BCG Quantity: Add To Cart Added! LanTac USA LLC M-SPEC, Bolt Carrier Group, 308 Winchester/762NATO, Fits AR10, M16 Style, Nitride Finish, Black 01-MSPEC-762-NIT-BCG