I'll be honest, I don't think it matters.
I'll bet the use of most snub-nosed firearms is across a room, at best. Perhaps contact distances.
Second, a short barrel will not burn any powder as efficiently as a longer barrel.
Finally, shot placement is a major factor.
If I hit the perp, close up and accurately with any of these calibers, my guess is that he's going down.
I mean, if I tossed you a .327 in the heat of a fight I doubt you would pitch it back for a different handgun.
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