@Bordkanone75
Well, yes, I think I did heard about this one.
And I guess it could be fine-tuned a little bit (particularly trigger).
Btw. kbsp wz.38M is short from "karabin samopowtarzalny wzór 1938 'M'" (self-repeating rifle model of 1938 'M' where 'M' stands for designer's name)