Shop › KAK BBL M16 556 MID 16" BLK KAK BBL M16 556 MID 16" BLK $134.99 KAK Industry Pro, 556NATO, 16", Mid Length Gas, Fits AR-15, Chrome Lined, Phosphate Finish, Black 121-0212-010 Quantity: Add To Cart Added! KAK Industry Pro, 556NATO, 16", Mid Length Gas, Fits AR-15, Chrome Lined, Phosphate Finish, Black 121-0212-010