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Old July 17, 2010, 03:46 PM   #2
Join Date: March 4, 2005
Location: Ohio
Posts: 13,648
You said the bore diameter. Did you actually mean the bore diameter or did you mean the groove diameter? If that is the actual bore diameter, it is correct for .45 caliber, which has .451" groove diameter. That is what a .443 bore comes up to with .004" deep rifling all around (which is standard).
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Last edited by Unclenick; July 19, 2010 at 02:56 PM.
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