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MADISON · December 14, 2005, 10:12 AM

My Ruger MK-II has a 1 in 12 twist so, I use a 55 grain bullet.
Winchester 748...26.5 to 27.5 grains works well for us.

December 14, 2005, 10:12 AM	#9
MADISON Senior Member Join Date: January 1, 2000 Location: Roanoke, Virginia Posts: 2,678	Best powder for .223? My Ruger MK-II has a 1 in 12 twist so, I use a 55 grain bullet. Winchester 748...26.5 to 27.5 grains works well for us.