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AR15.COM
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2/1/2014 3:57:02 PM EDT
Delete please.
2/1/2014 6:08:16 PM EDT
[#1]
Hi the gas tube should be a std. Ar15 gas tube. Just remove handgards. And use a small punch to remove the gas tube roll pin. Then remove the gas tube.



Edit. What kind of rail do you have on the rifle?
2/1/2014 6:20:35 PM EDT
[#2]
13inch quad rail.  Not sure how to get it off.  I can get the outside nut loose and tge rail only spins a quarter turn.  Feels like its hitting the gas tube.
2/1/2014 6:29:01 PM EDT
[#3]
Who is the rail made bye?
2/1/2014 6:38:58 PM EDT
[#4]
I think it is a factory rail.  Nevermind....got it off.  Learned a ton about my rifle.  Unfortunately the gas block adjustment is covered by the quad rail.  Soon to be fixed.  Ill get to it next time i get access to a drill press.  Ill just drill through the rail.  May even fab a decent dial.
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