abs Posted December 27, 2008 Share Posted December 27, 2008 I just got my IMM out of the shop I have been told to run a 6lb progressive recoil spring. "IMM"? Infinity Modified Masterpiece, it's SV's short, light open gun in .38 sc. Link to comment Share on other sites More sharing options...
Duane Thomas Posted December 27, 2008 Share Posted December 27, 2008 Thanks, abs. Link to comment Share on other sites More sharing options...
Aristotle Posted December 27, 2008 Share Posted December 27, 2008 I've had nothing but good experience with ISMI 12.5 in my 1911's. Won't fix what ain't broke. Link to comment Share on other sites More sharing options...
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