Larry,You stated that this gun is a 20 gauge. And you measured the bores at .625 that would mean the bores have been honed around .010.As was previously stated have the wall thickness checked.
Thanks Greg....
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"Much care is bestowed to make it what the Sportsman needs-a good gun"-Charles Parker
Last edited by Dave Suponski; 12-31-2009 at 01:06 PM..
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