Dear Otto,
If we have to learn something from the Mauser experience in producing new Luger is that the modern techniques of production donĂ¢??t simplify the production at all.
Mauser found plenty of problems in starting again the production. Herr Weiss stated that in the 1940 era, it was necessary 650 machine operations and 450 hand operations to build a P08. It was necessary twelve hours of labor for each gun.
Now in the 1969, Mauser states that it was necessary twelve hours of work to build a 29/70 model. Exactly the same!
According to Mauser production analysis, to run Parabellums in any significant quantity at all required a minimum of 750 machines.
It was not a luxury that Mr. Weiss brought 800 machines with him when the production of Parabellums was transferred from Berlin to Oberndorf in May 1930.
The production of the .45 caliber model is still more complicate. Mauser, in 1970 era, produced only a few prototypes in this caliber ant all have feed problems.
I really think that the production of Parabellum in .45 caliber will be only a hand made production done by really expert gun smiths.
For you information, also Mr. Werle in Germany is producing Parabellums in this caliber.
Ciao
Mauro