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Old 02-05-2013, 22:44   #10
Zombie Steve
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Join Date: May 2007
Location: Old Colorado City
Posts: 19,934
I've heard about 2400 and magnum primers. I have one load with a 158 grain XTP I worked up before I started casting. I followed the recipe in Lyman 49 (including a magnum primer) and got almost the exact same results (also shooting a 4" barrel). Twice around the wheel and my extreme spread was 38 feet per second (13 standard deviation). Seemed pretty darned consistent to me. Cases fell right out.



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