Dean, your question about "across the bolsters" is answered on page 527 of The Parker Story. I don't have the book in front of me. All I know is that in doing research on these questions, it was determined that a 2 1/2 frame mentioned in Parker orders is matched up with a #3 frame gun in all cases I have seen the 2 1/2 terminology used. A 2 1/2" measurement was noticed in the chart on page 527 for #3 frame guns. I don't know if it was across the bolsters or some other place.
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