Tuning for Reliability

[kurusu]

Originally Posted by SIGP2101

That is the problem, then they start playing with springs, modifying them, exchanging them, replacing them. Then they sell it to the next person and fiddling continues.

Only way to modify P08 to digest modern ammo would be to some how magically increase overall mass of the breach or move forward the point where rear toggle link links with 'S' link . Moving this point forward by even a fraction of a mm would tremendously decrease cycling rate of toggle train.
Increasing or decreasing spring preload will lead only to premature wear and tear of various parts.

I beg to differ. Both my P08s ( BYF 41 and a 1915 DWM) work without problems with current ammo ( Winchester White box; Magtech and Geco) and with my reloads with slower powders (VV N340 and Vectan BA9).
I believe they both still have their original springs.