The Magic Number is 3000 MV
As referenced above with the 154 in a 7mmMag, standard bullets just don't hold up past 3000MV, which is also my personal experience. I loaded a friends '06 (an OLD 722) with 150 Interlocks at 2700. Made golf ball exits up to 200 at most any angle. I am, however, in complete agreement in using a stouter bullet on Elk. IBs for me.
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