My PRC is a 26” 1/7 twist kreiger
I tried the 150 sierra MK originally but wouldn’t group well enough. Went to 147 eldm. They went really well and super accurate but would get random exploders. I ran them out to 1 mile pretty well and used at a few matches. Ar2225 3120fps. After a couple of firings I then started to get some pressure so dropped a grain of powder. Ran at 3060fps. Then changed to 156 Berger EOL, at 3020fps. Same charge as 147 eldm. I have done one match, and shot them out to 2km. Trajectory wise matches my 338lapua with 285. I have also done a 130 bergeR AR hybrid at the same charge and was a mild 2950fps if I cranked the charge up they would probably do 3150-3200 easy enough Was super accurate to 400m but not as good further out. I’m thinking twist rate. Worked well on deer heads. I have some 144 Berger on the next order coming in to use and 153 Berger. Shot 800 rounds down it so far 1/2 at matches.
I am running a long action and col about 3.075
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