Bill, I'm sure that Kirby shared the bore diameters with you, but his ads don't seem to include that important information. For your information, my guns, 1911 guns, measure .731, .731, .731, and .733. I can't locate the wall thickness measurements in my files, but I measured all four at the time of purchase, and they were to me very acceptable figures, certainly not .21 or .022. I think that my guns and yours were probably the nominal .729 or close to that, at the time of manufacture.
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