I used the same data as for 1 in 14 since I was shooting 50-60 grain bullets. My .22-250 shoots the Nosler 60 grain Partition much better than my 1 in 14 Ruger did. Other than that I saw no difference. I do not plan on shooting anything heavier than a 62 grain TSX, which I have not tried loading yet. My favorite bullet is the 50 grain V Max over Varget or Ramshot Big Game.
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