Quote:
Originally Posted by Buffalobob
You might want to consider that lead is a lot denser than copper and that momentum is the product of mass and velocity.
This then leads to the interesting possibility that a Nosler partition that has expanded down to the partition is heavier than a piece of solid copper and will penetrate further. Of course there is the energy of deformation loss and then there is the question of frontal area of a Nosler so it might not work out so simply.
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The SOST ammunition is made to fragment for the first half. Partitions are meant to mushroom.30gr is 30gr whether its solid copper or jacket lead. The base of each weigh about the same, the sost round is just larger. I like fragmentation more than expansion regarding terminal performance.