forgot to add
before the yanks got all titchy about being sued by dickheads, load data wasn't projectile specific ...and I'm begiggered if I can see any good reason for it to be..... yeah sure a barnes type vs a super soft cup n core will be SLIGHTLY different pressure wise if both the same weight as the copper one is longer and has more bearing surface...but not enough to push you out to edge of safe pressures UNLESS OF COURCE you are starting at or above book max to begin with.
all load data gives warning to start lower and gradually work up.
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