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Posted: 2/11/2007 4:00:46 PM EDT
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Can someone out there that has a rifle length PRI free float tube measure the inside diameter of the opening...I am trying to figure out if my gas block will fit underneath it. Thanks in advance!! |
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Somebody in this thread thinks they are 1.88" www.ar15.com/forums/topic.html?b=3&f=12&t=294150 |
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