Shop › LANTAC MSPEC MID LENGTH GAS TUBE SS LANTAC MSPEC MID LENGTH GAS TUBE SS $19.99 LanTac USA LLC M-Spec Mid Length Gas Tube, Fits AR 15 with Mid Length Gas System, Stainless Steel Finish, Silver 01-MSPEC-GT-ML Quantity: Add To Cart Added! LanTac USA LLC M-Spec Mid Length Gas Tube, Fits AR 15 with Mid Length Gas System, Stainless Steel Finish, Silver 01-MSPEC-GT-ML