Shop › LANTAC RIFLE LNGTH +1 NTRDE GAS TUBE LANTAC RIFLE LNGTH +1 NTRDE GAS TUBE $22.99 LanTac USA LLC Nitrided Gas Tube Rifle +1, Fits Rifle Length AR 15 Gas Systems, Nitride Finish, Black GT-R6005 Quantity: Add To Cart Added! LanTac USA LLC Nitrided Gas Tube Rifle +1, Fits Rifle Length AR 15 Gas Systems, Nitride Finish, Black GT-R6005