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Old March 13, 2012, 11:03 AM   #14
mehavey
Senior Member
 
Join Date: June 17, 2010
Location: Virginia
Posts: 3,063
Quote:
What ES and SD should I be looking for as acceptable?
I like ES's in the 30's to very low 40s, and SD's in the 12-16 range as practical out of an AR.

I think a mag/milititary primer will go a long ways for you w/ that ball/spherical powder
(and you might also pick up another 50fps in the bargain)
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