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S. Blair
03-05-2018, 12:56 AM
My 12FV load is 8208XBR @ 24.5gr with 70GR RDF's.....start low and work up! Give it a try, I think it's the perfect powder for the heavier bullets
mizzouri1
03-11-2018, 09:24 PM
My 12fv 1/9 twist sweet spot is Hornady 68gr BTHP over 25gr Varget, LC brass, neck sized, cci 450 primers. one ragged hole @100 yds
Arky 223
03-12-2018, 07:22 PM
daved several years back I shot very good gropes with 24.2 grains VVN540 and 69 gr. SMK also very good gropes with 20.6 gr. Re 7 and 53 gr. SMK
GaCop
03-22-2018, 02:30 PM
Any of the powders you listed will work in a 26 inch barrel, "BUT" Varget is a single base Extreme Powder and the most temp stable.

223 Rem + 223 AI Cartridge Guide

http://www.accurateshooter.com/cartridge-guides/223rem/ +1. I have been using Varget with the 75 grain BTHP in a 26" 9 twist barrel and get excellent acuracy