I won't discount temp cavitation, but it is really more about the bullet than vel in handguns. A rnfmj going 1200fps is a high speed ice pick, clean puncture wound unless bone is struck or the bullet tumbles. A jhp, even at 900fps crushes tissue & pushes fluids in front of it to create temp cavs. The problem is the temp cav is strechable & rarely causes tearing at that low vel. Above 1500fps, jhp, yes I think temp cav assist wounding & tissue destruction, but the bullet still needs to go deep enough. Above 2000fps with softs, things start getting really interesting.

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NRA Cert. Inst. IDPA CSO