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