ballisticdaddy
Silver $$ Contributor
Have a 6 creed thats given us the fits!
Small rifle primer 39.5 h4350
115 dtacs get 4 shot 1 hole groups then outta the 5 one will go bizerk to like 1" moa
Krieger 7.5 twist on a tika with a krg chassie.
I would venture to say it has something to do with the seating depth, looks like you have changed quite a few of the other variables. The easiest variables to change are often the ones to be overlooked.