I haven't loaded plated bullets before, but I looked into it at one time. Berry's web site states to use low to mid range jacketed data. I doubt you would have pressure problems using max load data, but the thin plating could come apart and leave plating material in the barrel. Like mentioned earlier, the velocity is the concern here (esp with a magnum primer). The same powder charge will push a plated bullet faster than a jacketed bullet.
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