Quote:
Originally Posted by akdude
also certain types like CZ 52, 75. should also never be dry-fired!
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The original CZ-75 could be dry-fired. The early CZ-75B, with a single firing pin retention roll pin COULD break that pin (not the firing pin) -- but many folks dry-fired without problems. (I never had a problem with a 75B, but I broke a roll pin quickly with a new CZ-40B, which had the same mechanism. A local hardware store had a compatible roll pen... $.75.)
Later CZ-75Bs and subsequent models based on the same design were upgraded to use a doubled roll pin (a pin within a pin), and its no longer a problem. (I thought I read that CZ went to a solid pin, but haven't seen that claim confirmed.)
The CZ-52 broke firing pins easily, but after-market providers frequently offered upgraded firing pins that were not easily broken.
Many of the .22s that have problems don't always break firing pins, but crater the edge of the chamber (where the .22 rim sets); when cratered, the firing pin can't hit with the rim with full force.