Posted by Tom Salzer
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on February 16, 2012, 3:25 pm, in reply to "Re: Bore Diameters. "
173.48.190.46
As I measure older and newer Smith bores I have observed a trend toward smaller bores in older guns. I am guessing the reason is the different type of ammunition that was shot from older guns i.e. no plastic shot cups back then.
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