Quote:
Originally Posted by Dave Noreen
If that cylinder choke is being measured with a plug gauge, that is not an issue.
The bores of an 1889 vintage Parker Bros. 10-gauge are very likely to be much closer to .800" than .775". What are actual measurements with a bore micrometer?
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Well now my 1889 EH measures M/IM with a flat gauge . So going by what you say it should be tighter going by the nominal bore diameter ? Is that true also for my Grade 2 circa 1884 top lever 10 gauge , that one by the flat gauge is IC/M both guns have barrels that are uncut .
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