IMO tank, no - as a SP should deform sufficient to gain some limited expansion tho perhaps not to the degree we'd expect from an HP.
Circumstances will as ever alter results - clothing, distances, angles etc. I'd expect over penetration possibilities from HP's in some situations. I do also like LHP SWC's in 158 for SD but have not found any factory loads as yet.
Even a .45 ACP, not known for its depth, speed, or flying through schools, will pop in one side and out the other if you do a COM hit in the upper shoulder or collarbone area of many folks from what I've gathered reading police reports and the academic journal for the coroner dudes.
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