PLEASE NOTE i will not include info on INNER BARREL STABILITY with the barrel nut installation with the centurion arms rail on. You will need to do something about that if u install an aftermarket rail. I used a grub screw and teflon tape. In the future i will be replacing my inner barrel and hop up rubber, so i will update the video when i can. sorry for the long video! i tried to cut it down! hopefully it'll cover the important stuff! please feel free to comment, like, and subscribe! i also have an fb
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