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No. 103743
ID: 19518e
>>103742
I'm no terminal ballistician, but from what I understand "hydrostatic shock" is damage to some types of tissues and/or organs from a large enough temporary cavity caused by a projectile. The size of the temporary cavity is related to the projectile's weight, diameter, speed, upset (tumbling), expansion or fragmentation. This temporary cavity, if large and violent enough, can increase the trauma and physiological shock to the target beyond the permanent cavity. I remember reading theories of nervous system damage from this temporary cavity effect, but I can't say I know if it was speculation or confirmed by legitimate scientific process. I do imagine, all else being equal, a larger temporary cavity would probably hurt more but pain is an extremely unreliable factor in incapacitation of a creature at best.
12 gauge slugs are very large, heavy, made of soft lead, and from what I know, can create very large temporary cavities regardless of the relatively slow velocity (well under 2000ft/s) of the projectile. Conversely, the 223 with a proper bullet can also impart devastating damage beyond what one would expect from a small projectile.
In the case of most handguns, there is neither weight or speed sufficient to do anything but look impressive in a gel test. Gel and high-speed cameras can make basically anything look like the new wonderbullet is like a high explosive autocannon round. From Fackler's reports, yes the general speed required to have enough energy to make temporary cavity matter is around 2000ft/s, but bullet weight and construction (expansion, tumbling, fragmentation) are important factors in this rule of thumb.
Hunters have been taking large game with smaller calibers for a long time, with a bullet that can go deep enough, I would imagine that countless medium-to-large animals have been taken with lever actions in modest chamberings assuming shot placement was good. Hunting is often anecdotal and very case-by-case, the animal's reaction to being shot can never really be predicted with perfect accuracy. Maybe they shot a dozen game before landing on the one elk that just gave up after getting a hole poked in it. There's a video of some guys shooting a small doe with a 50BMG and it taking a football-sized scoop right out the exit side, and the doe still ran for a few seconds. There's plenty of videos of hunters sack-of-potatoes-drop on larger animals with a whole lot less than the 50BMG, like 357 Magnums.
The 7.5 round is basically a 30 carbine round (as if shot from a long barrel) from a pistol barrel. Whatever you can kill with an M1 carbine, you could do with the 7.5 from the pistol.
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