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cz 457 Firing Pin

skyrep

Sergeant of the Hide
Full Member
Minuteman
Feb 20, 2018
303
205
Huntsville, AL
The Firing Pin for the CZ 457 (P/N: 5080066001) are on hand at CZ-USA. Just ordered two of them
 
New to the 457 - do these rifles go through these firing pins often? I've rarely if ever had to replace a 22lr firing pin. So just wondering.
 
Just got my 457, haven't had time to shoot yet.

I'm also wondering if a spare firing pin is something I should worry about? Probably do a thousand or so 22/year.
 
Found this. https://www.snipershide.com/shooting/threads/cz-457-firing-pin-profiling.7003216/ and

So my question is - was 22lr designed to hit the inside of the rim, instead of the entire rim? I wouldn't mind trying this, but am curious who has done this or whether it makes a difference. The thought is that CZ's design was a compromise since it is used for 22wmr and 17hmr. but for 22lr the reprofiling should make it better?