Posted: 3/22/2016 10:44:05 PM EDT
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I was just curious whats the heaviest flat wire recoil spring yall have got to function with the m&p 9mm compact? Im running a stock spring on an un-captured rod and would like a little more force but some reviews Ive read on sites say some of the ISMI springs were weak or underpowered.
EDIT: Forgot to add Im testing various Underwood +p and +p+ right now. |