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1/31/2007 7:53:08 AM EDT
Barrels of different lengths (10.5" 14.5" 16" 20") have different gas port sizes.  However, the 10.5, 14.5 and 16" barrels can use a carbine length gas tube.  Is the port size on the gas tube the same for all three, regardless of the size port drilled into the barrel?
1/31/2007 11:37:16 AM EDT
[#1]
I just measured the ports of  carbine, mid and rifle length gas tubes and they are all with in .002 of each other so yes, they are all the same size.
1/31/2007 12:34:45 PM EDT
[#2]
Good to know.  Thanks!
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