Jim -
Your argument is somewhat persuasive, and I don't even pretend to know all the answers, but I do have a troubling question.
On some of my DWM Lugers the draw lines or witness marks on the barrel and receiver appear to have been made by the same tool in one stroke, while assembled, even under very high magnification. I have trouble accepting the proposition that this is the exception and nothing more than coincidence.
As a design engineer I worked with many manufacturing engineers who were constantly changing their processes to improve quality and efficiency. That's the value they added to the system.
Is it not just possible that the Luger manufacturing process changed over time and/or between manufacturers, thereby accounting for some of the variations we see?
Luke
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"Peace, if possible; truth, at any cost." . . . Martin Luther
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