Quote:
Originally Posted by Bill Anderson
I have never had much interest in barrel wall gauges because I believe for the most part, but there exceptions for sure, that if the bores measure spot on or very close to factory bore diameter specs for a specific gauge, then I assume the barrel wall thickness is safe.
Bill
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This may work very much against you because bore diameters varied greatly from early lifter guns and even later.
.729" may be considered the standard for 12 gauge but I know guns which measure over .750" and have never been touched.
You may err on the side of caution, and pass on a lovely gun that measures .740", assuming it had been honed eleven thous, you will loose out.
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