[RShaw]

I guess we'll never really have a handle on which manufacturer (if any) has "the most broken parts." Good point, so many of these guns over the years, and no, not everyone reports their broken part. Tom Heller might have the best idea, from his order records of replacement parts....
Ah well... this question will never really be conclusively answered... and yet I have seen the following statements:
"Mausers have better metallurgy than Erfurts or DWM's"
"Mauser concentrated on their metal quality."

And, all of these guns are just.... OLD! Even the Mausers!

The moral of this saga is: "Shoot 'em and enjoy 'em... but... you takes your chances..."