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Unread 08-28-2010, 06:09 PM   #6
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Bill Murphy
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A thick barrelled early Parker ten gauge would only have to be bored out .035 or less to be measured as a nominal eight gauge. That is only .017 on a side. My little six frame ten could easily be made into an eight gauge, but it is much rarer as a six frame fluid steel ten gauge.
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