N3WWN Posted July 5, 2023 Share Posted July 5, 2023 14 hours ago, Effectus Magis Per Minor said: 133-135 PF. In my 9mm Government Model I am running a 19 lbs. mainspring with a flat bottom firing pin stop and 10 lbs recoil spring. This is identical to my 9mm minor setup in multiple guns. Link to comment Share on other sites More sharing options...
Effectus Magis Per Minor Posted July 5, 2023 Share Posted July 5, 2023 I had been running a 9lbs variable but I found that a straight 10lbs is 100% with the Aftec extractor. The variable 9 was not. Link to comment Share on other sites More sharing options...
reconrover Posted February 2 Share Posted February 2 Just switched from 18lb stock in my SIG GSR to a 14lb Wolff when I had the slide and barrel ported Link to comment Share on other sites More sharing options...
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