lineman76273 Posted February 8, 2014 Share Posted February 8, 2014 Not a newbie but a newbie question normally use standard primers but they did not have any they had magnums CCI 550 I am loading 9mm with Tite group and Winchester wsf cast 122 FN,124 RN and 115 RN I can not find the ratio to reduce my powder for using magnum primers. Can someone help Quote Link to comment Share on other sites More sharing options...
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