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