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Old February 7, 2013, 02:41 PM   #7
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Join Date: January 10, 2012
Posts: 3,502
5 grains is an old standard for FMJ RN 230's. About 820-830 fps from a 5" tube. 4.5 grains is more common and a little more accurate with cast and swaged RN 230's to help avoid leading or deforming the bullets, but either will work just fine for you.
Unclenick are you talking bullseye or unique powder ?
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