Hi Jack,
I believe the problem lies in the tubes from the factory and not from honing. Assuming the tubes on this old gun left the factory with .729" bores and given the fact that both miked out at .732", and assuming that .003" was removed in honing, that means that the barrels were VERY eccentric when they left Meriden. The drastic change in wall thickness over such a short portion of the barrel's circumference must be due to striking the exterior of the barrels. Unless I'm missing something?
Beautiful old GHE by the way.
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