San Tan Tactical Gas Tube Intermediate Length, Black Nitride Coated, Gas Tube Kit with Pin STT-GT-I
Spike's Tactical Rifle Length Gas Tube, Black Nitride Finish SUGT0M4
Spike's Tactical Pistol Length Gas Tube, Black Nitride Finish SUGT0M1
LanTac USA LLC AR15, Gas Tube, Black Nitride, Rifle Length Gas Tube GT-R6004
LanTac USA LLC AR15, Gas Tube, Black Nitride, Mid Length Gas Tube GT-M6002
LanTac USA LLC AR15, Gas Tube, Black Nitride, Intermediate Length Gas Tube GT-I6003
Ergo Grip Gas Tube, Fits AR15/M4, Carbine Length, Stainless Steel 4823
CMMG Gas Tube Kit, Rifle Length Gas Tube and 5/64"x5/16" Roll Pin, Fits Rifle, Stainless Finish 55DA196