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reloader28 · November 12, 2010, 10:12 AM

IMR 4831
I used to use IMR 4064 in both then tried IMR 4831 and now from two 243's and a 270 I'm getting 1/2" groups. Your guns may be different.

November 12, 2010, 10:12 AM	#14
reloader28 Senior Member Join Date: October 13, 2009 Location: nw wyoming Posts: 1,061	IMR 4831 I used to use IMR 4064 in both then tried IMR 4831 and now from two 243's and a 270 I'm getting 1/2" groups. Your guns may be different.