why is the 357 superior to the 9?

Color me very skeptical...

First of all, I would like to know what kind of folks you were talking to who claim to have had the "opportunity" to shoot multiple BGs in Iraq wearing body armor using pistols in both 9mm and .45ACP.

Second, given the general similarity in both energy and momentum in the two rounds, it doesn't seem to me that science would support the idea that one would provide significantly more of a "punch" given that neither penetrated.

Finally, if they knew that the BGs were wearing body armor, why in the heck were they using pistols? That seems like a strategy designed to shorten one's life.
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Well i have a couple friends that are Blackwater contractors and several that are US Army Infantry and MPs. The info I spoke of was compiled through the experiences of several of these friends. I understand if you are skeptical of internet info, as anyone should be. All I am saying is I have heard this from people I trust, and I believe it to be true. So I guess that leaves me open to ignorant comments like this.
Probably special blackops marine delta snipers or maybe an elite mall counter-ecotango team. Those guys are the elite that even the tier 1 guys look up to. Heck, I know a marine delta sniper and an air force seal with mossad experience who told me that people get stunned or even knocked down if you fire a 45 acp near a bad guy because the knockdown force is transmitted throw the air like a wave in the wake of the mighty 45 ACP FMJ.
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to address the question asked; the barrel length is not the same. in the auto the chamber is included in the "length" . test this with a revolver with a stated length of 4" with a auto of the same, the revolver has a higher velocity, this has been tested many times with guns made on the same machinery, S&W 547. revolvers operate differently. I really don't want to spend my time explaining the jump from the case,the throat, forcing cone, groove dimensions etc. you might want Rinkers book on ballistics? of historical note; once upon a time the 357 specs were 46,900( maximum, CUP) not 35,000, CUP. originally the 357 was loaded with large magnum primers, not small. also note when reading the old books that many incl. PSI figures that are not the same as the current method . there was PSI then CUP and now another PSI sometimes called PSIA. see Oehler. there are too many variables involved with different cartridges, like case volume and different powders used in them. the larger case can use slower powders. as far as stopping power , Hatcher said bullet shape, bullet composition, energy.
 
Well i have a couple friends that are Blackwater contractors and several that are US Army Infantry and MPs. The info I spoke of was compiled through the experiences of several of these friends. I understand if you are skeptical of internet info, as anyone should be. All I am saying is I have heard this from people I trust, and I believe it to be true.
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Doesnt make me any less skeptical...or make the claim any more believable. It only makes your claim hearsay.

Back to the OP: my guess is that the 9mm has killed FAR more people than the .357 Magnum has killed or seriously injured combined.
 
Let's do the math:

1/2m*v^2=1/2m*v^2

357mag 154gr @1250fps vs 200 pound (1,400,000gr) man

1/2(154)(1250)^2=1/2(1400000)(v)^2

v^2= (1/2(154)(1250)^2)/700000

v= sqrt(171.875)

v=13.11fps or 8.9 miles per hour


That's assuming:

1) An instantaneous transfer of 100% of the energy. This will not happen-- due to friction, bullet damage, damage to whatever gets hit, etc and also because even a bullet hitting a vest doesn't stop INSTANTLY. Dissipating this energy over even a few milliseconds DRASTICALLY reduces the velocity transfer.

2) Point blank shooting.... hell, muzzle contact, with the target.


Haven't we all seen the video of the armored guy shot at point blank range with the rifle? He's standing on his heals and barely takes a step back. That rifle has FAR more energy than even the venerable 357mag.

If someone is knocked down by being shot then it is a phycological reaction not a physical one.
 
look at the energy of the 357 much more.
I would rather have a 357 mag than a 40 or a 45.
That said I carry a 380 a 9 or a 38 +p.Hope to get a sp101 soon in 357 mag.
 
The 9mm has only 1 advantage over the 357 magnum. If the shooter isn't very accurate with their aim, they have 15-18 rounds; depending on the gun; to hit their target. If a person is accurate with their aim, and they don't mind a revolver, then they will do better with the 357 magnum. Every time!!! And for self defense in close quarters; e.g. walking down the street and encountering a mugger or similar; then the person who can stay calm; can draw their weapon; and can hit point of aim on the attacker or thwart the attack simply by producing a gun; can achieve this with even a 32acp or 380acp. The person who can't stay calm; can't affectively draw their weapon; and can't shoot accurately; won't do any better with a 9mm or 44 magnum.

I feel 100% confident whether it's winter and I'm carrying my 45acp or summer and I'm carrying my 32acp. And at home I feel totally confident with my 357 magnum S&W. "We don't need no stinkin 9mm".
 
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