On 7/13/14, 10:40 AM, wrote:
On Sun, 13 Jul 2014 08:02:28 -0400, F*O*A*D wrote:

You still haven't told us what a "real" .357 MAG round is, in terms of
bullet weight, powder charge, velocity, impact, et cetera.

The short answer is "pressure".
38s are generally limited to 16,000-17,000 PSI, the +P can approach
20,000 if you are using a modern firearm.
.357 can get you up to 35,000 and some guys even exceed that a bit.

The reality is ".357" was simply a marketing term.
A large frame .38 like my OM was the original .357 platform and it has
the same amount of metal in the critical places as the Python. It is
quite easy to get a .357 load in a .38 case with plenty of room to
spare. They made the .357 cases larger to keep them out of Airweights
and Chief Specials along with all of those antique guns that would
chamber a .38 spl. There are plenty of old .38s that are not even safe
with a regular sub sonic .38 spl.




Grrr. I know what a .357 MAG is. I'm familiar with the SAAMI pressure
loads. Bilious is the one who kept saying, "They're not real .357 MAGs,"
as if he could discern that from information not presented.

Most ammo manufacturers don’t publish the pressures of their rounds.
Sellier & Bellot says its .357 Magnum FMJ’s, the ones I use, achieve a
muzzle velocity of 1263 FPS, and smack with 560 foot pounds of energy
out of the muzzle.

I have a couple of boxes of Hornady 125 grain FTX ammo, which achieve a
muzzle velocity of 1500 FPS, and smack with 624 foot pounds of energy.

Either round probably will stop a usenet zombie.

Here's an interesting piece you might like to read:

http://www.leverguns.com/articles/pa...literature.htm



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