Shop › LANTAC MSPEC INTERMEDIATE GAS TUBE LANTAC MSPEC INTERMEDIATE GAS TUBE $18.99 LanTac USA LLC M-Spec Intermediate Length Gas Tube, Fits AR 15 with Intermediate Length Gas System, Stainless Steel Finish, Silver 01-MSPEC-GT-INT Quantity: Add To Cart Added! LanTac USA LLC M-Spec Intermediate Length Gas Tube, Fits AR 15 with Intermediate Length Gas System, Stainless Steel Finish, Silver 01-MSPEC-GT-INT