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Old February 21, 2021, 11:49 AM   #1
Bart B.
Senior Member
Join Date: February 15, 2009
Posts: 8,438
Firing Pin Spring Strength

Anyone ever compared a firing pin spring pounds rating to factory specs?

They weaken with age. That increases velocity spread and decreases average velocity

Last edited by Bart B.; February 21, 2021 at 11:56 AM.
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