frankge Posted June 7, 2017 Share Posted June 7, 2017 Hi, I have a new to me STI GrandMaster in 9mm major. It has a recoil mater in there now. I bought a ss guiderod and a 8# and 9# springs. What would you think is about the same as the RM?... 9#? Link to comment Share on other sites More sharing options...
Bamboo Posted June 7, 2017 Share Posted June 7, 2017 Yes, my guess is that 9# would be a good starting point. I just did the same thing on an older custom gun that had an RM which I'm setting up to shoot 9mm minor and a 7# spring works great, Link to comment Share on other sites More sharing options...
Mhall Posted June 7, 2017 Share Posted June 7, 2017 I shoot a Trubor with an 8. Link to comment Share on other sites More sharing options...
lee blackman Posted June 7, 2017 Share Posted June 7, 2017 9 pound spring with an alumabuff is what I run, been working for me for a while. Link to comment Share on other sites More sharing options...
herman Posted June 9, 2017 Share Posted June 9, 2017 wolf 8# does the job for me Link to comment Share on other sites More sharing options...
frankge Posted June 19, 2017 Author Share Posted June 19, 2017 thanks, I'll start with the 8 Link to comment Share on other sites More sharing options...
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