Tried to post a bullet performance chart that someone posted here a while back. Couldn't get it to work for some reason. Maybe too big.
Most lead core bullets actually deliver less penetration at impact speeds above about 2900 fps than they do below. Premium bullets do better, and copper bullets do better than that. Penetration of the copper bullets is practically constant from 2200-3100 fps, and penetration is deeper than any of the jacketed lead offerings.
I've been reading about this, and I'm convinced that bullet construction is a bigger variable than I had supposed. There are huge differences in performance. If you're thinking of a 260 for elk, use a really good bullet.
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