.357 Magnum vs barrel length...

by Byron, Tuesday, September 29, 2015, 12:50 (3347 days ago) @ Catoosa

The three five seven Magnum is one of my favorite revolver calibers however it is worthwhile to realize how dramatically barrel length affects velocity, especially very short barrels.

http://www.ballisticsbytheinch.com/357mag.html

Note that most rounds in the short barrel length do not even break 1000 fps. In perspective, most rounds out of your 9mm HiPower (also one of my favorites) will actually beat out the Magnum for actual power. Muzzle blast from the snub nosed Magnum is no indication of actual power.

Kinda like the .22 WRM. These Magnums lose lots of their magic at barrel length under 4 or 5 inches.

Byron


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