Tokarev Posted July 14, 2003 Share Posted July 14, 2003 I had a freind give me some IMR 800X to try out. I'm running an STI in .40 and am using a 200 grain cast bullet at 1.210" OAL. Where should I start? I'm thinking somewhere around 5.4-5.6 grains. Am I close? Link to comment Share on other sites More sharing options...
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