I bought this gas tube to replace the older worn out gas tube, and hate to say it but the new one doesnt work nearly as good as the original thats all beat up and used! yah it looks nice on the gun and all, but when there is so much slop in it for it shake forom side to side, and the gas tube wont even blow the action back after each shot. I would not reccomend this gas tube to anybody, It will save you money but will actually do more harm than good in the long run unfortunatly.