Now that these are back to former classifications. I've been thinking about picking one up. A buddy has one for sale with a broken firing pin. I've seen the parts around and would be a easy swap. But curious if this is a common issue with them or possibly only happens with some countries that manufacture 7.62 x 39? Any of you guys/gals that have long term use of the cz 858 have any issues with the firing pins break I would like to hear.