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AR15.COM
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2/3/2009 1:13:58 PM EDT
I need a little help, please. A friend has a Colt upper with the heavy barrel, we measure the barrel as .758 instead of .750 we see most everywhere else. We are looking for a gas block to replace the front sight, but are having problems locating this item. Any help would be welcome.
2/5/2009 2:26:34 AM EDT
[#1]
Try posting this in the Colt section of the Industry forum.

2/5/2009 5:32:36 PM EDT
[#2]
Thank You
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