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Frangible

We shot 22 different loads of 357 Magnum self-defense ammo into ballistic gel.

A selection of frangible 357 magnum ammunition. These rounds are designed to essentially turn to sand when they are fired into a hard target, such as steel. This disintegration or powderization helps reduce the threat of ricochet when firing in close-quarters situations and is popular among law enforcement for training use.

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Ammo	5-shot average penetration depth	5-shot average diameter	5-shot average velocity
20rds - 357 Mag Barnes 140gr. XPB Hollow Point Ammo	18.6"	0.67"	1204
50rds - 357 Mag Black Hills 125gr. Jacketed Hollow Point Ammo	21.88"	0.48"	1245
20rds - 357 Mag Heavy Buffalo Bore 125gr. Barnes XPB HP Ammo	20.08"	0.66"	1537
20rds - 357 Mag Buffalo Bore 125gr. Barnes XPB HP Low Flash Short Barrel Ammo	15.6"	0.6"	1157
20rds - 357 Mag Corbon 110gr. HP Ammo	15.38"	0.62"	1228
20rds - 357 Mag Federal Hydra-Shok PD 130gr. HP Ammo	20.58"	0.52"	1200
20rds - 357 Mag Federal Personal Defense 125gr. JHP Ammo	15.54"	0.54"	1246
20rds - 357 Mag Federal Vital-Shok 180gr. Swift A-Frame JHP Ammo	16.24"	0.54"	1057
500rds - 357 Magnum Fiocchi 158gr XTP Hollow Point Ammo 25rds - 357 Mag Fiocchi 158gr. XTP HP Ammo	20.82"	0.48"	1049
25rds – 357 Magnum Hornady American Gunner 125gr. XTP Ammo	24.02"	0.49"	1269
25rds - 357 Mag Hornady Critical Defense 125gr. FTX Hollow Point Ammo 250rds - 357 Mag Hornady Critical Defense 125gr. FTX Hollow Point Ammo	16.86"	0.54"	1191
25rds - 357 Mag Hornady 158gr. XTP Hollow Point Ammo	22.16"	0.51"	1119
20rds - 357 Mag Magtech 95gr. First Defense Solid Copper HP Ammo	13.18"	0.57"	1262
20rds - 357 Mag MAGTECH Guardian Gold 125gr. HP Ammo	15.88"	0.59"	1163
50rds - 357 Magnum Remington HTP 125gr. SJHP Ammo 500rds - 357 Mag Remington HTP 125gr. SJHP Ammo	12.22"	0.63"	1223
500rds - 357 Mag Remington HTP 158gr. SJHP Ammo 50rds - 357 Mag Remington HTP 158gr. SJHP Ammo	17.9"	0.58"	1150
20rds - .357 Mag Speer Gold Dot 125gr. HP Ammo	27.12"	0.37"	1207
20rds - 357 Mag Speer Gold Dot 158gr. HP Ammo	37.74"	0.35"	1043
20rds - 357 Mag Speer Gold Dot Short Barrel 135gr. HP Ammo	15.24"	0.55"	1113
20rds - 357 Mag Winchester PDX1 Defender 125gr. Bonded JHP Ammo 200rds - 357 Mag Winchester PDX1 Defender 125gr. Bonded JHP Ammo	14.72"	0.64"	1102
50rds - 357 Mag Winchester USA 110gr. Hollow Point Ammo 500rds - 357 Mag Winchester USA 110gr. Hollow Point Ammo	11.46"	0.59"	1186
50rds - 357 Mag Winchester Super-X 158gr. Jacketed Hollow Point Ammo	22.26"	0.45"	1155

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Common 357 Magnum Questions

357 Magnum is one of the more popular pistol calibers we carry for sale. As you can tell by our ballistic gel testing data, it's a formidable defense round too. New to 357 mag? Here's a look at some of the common questions our customer experience team here at AmmoToGo.com gets about 357 magnum ammunition and what it's used for.

Where Does the Number “.357” Come From?

Like many other cartridges (notably the .38 Special) the .357 Magnum has a neck diameter of exactly 0.379 inches. The “.357” comes from the bullet diameter. This number was selected to make the bullet’s name distinct from the .38 Special, a less-powerful cartridge with the same bullet and neck diameter but a shorter case length.

Can You Shoot .357 Magnum in a Gun Chambered for .38 Special?

The .357 Mag and .38 Special are two highly-similar cartridges, and while almost all of their dimensions are the same, they have one important difference: case length. The .357 Magnum is, essentially, a longer .38 Special. This length allows for more propellant, which means it fires a similar bullet with greater velocity and power. The .38 Special can be fired from guns made for the .357 Magnums, but .357 Magnums cannot be used in guns designed exclusively for the .38 Special. Not only is the case length too long, but the .357 Magnum’s pressure could damage the weapon and cause serious injury.

What’s the Difference Between a .357 Magnum and a .357 SIG?

These two cartridges are frequently confused, but they are very distinct and not interchangeable whatsoever.

357 Sig ammunition has a different case diameter. In fact, the two cartridges have completely different shapes, as the .357 Sig has a narrowed neck. Simply looking at the two side-by-side will show you that these cartridges are not interchangeable, despite sharing the “.357” moniker.

Can the .357 Magnum Be Used for Hunting?

Yes. The .357 Magnum is one of the fastest and most powerful common cartridges for handguns, and it can take down medium-sized game with relative ease, assuming proper shot placement. The .357 Magnum, from both handguns and rifles, has been used to harvest whitetail deer, among other game animals. However, even from a rifle it is not recommended for long-range hunting, but rather for closer shots that you would have, for example, while hunting in and around timber. If selecting a .357 Magnum round for hunting, you’ll want cartridges with expanding bullets such as a jacketed hollow point or soft point.

What Firearms Shoot .357 Magnum?

Generally, the .357 Magnum is for revolvers, but there are some semi-automatic handguns that can fire this cartridge. However, these guns are fairly rare among the firearm-owning community; you’re far more likely to find revolvers fitted for .357 Magnum than pistols. There are also some rifles that fire the .357 Magnum, but the cartridge is still primarily considered a handgun/revolver cartridge.

Common revolvers that fire 357 magnum ammo include:

Colt Trooper MKIII Series
Dan Wesson 715
Kimber K6s
Ruger GP-100
Ruger Model SP-101
Ruger Redhawk 5033
Smith & Wesson Model 60
Smith & Wesson 627
Smith & Wesson 686 Plus
Taurus 605SS2
Taurus 608