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Posted: 12/9/2003 5:17:26 PM EDT
Hey guys whats up?... I am new here and I have to say... Damn! There is a ton of good info here on AR15.com! I have a quick question... Does anyone know the outside diameter of a post-ban Colt HBAR barrel. I would like to know so Mike at Dyna Systems can make a treading kit for me.. Thanks a ton ..
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