Ammo Brief: .357 Remington Maximum

Ammo Brief: .357 Remington Maximum

357 Remington Maximum 1

The nearly forgotten, ultra-fast, ultra-flat revolver round, the .357 Remington Maximum pushed the boundaries.

How Does The Hot-Rod .357 Remington Maximum Stack Up:

  • This cartridge is a .310-inch elongation of the .357 Magnum.
  • It's capable of pushing a 125-grain bullet up to 1,800 fps at the muzzle.
  • Revolvers chambered for it tended to develop excessive gas-cutting on the top strap.

Historical Notes

The .357 Remington Maximum was announced as a joint venture between Remington Arms Co. and Sturm, Ruger and Co. This cartridge is a .310-inch elongation of the .357 Magnum case.

The first handgun to chamber the round was the Ruger Blackhawk .357 Maximum single-action revolver, introduced in 1983. This was followed, in 1984, by the Dan Wesson double-action revolver, the Seville single-action, stainless steel revolver and finally, the Thompson/Center Contender single-shot pistol. During the same year, Harrington & Richardson chambered its Model 258 single-shot rifle for the round, as did Savage in its Model 24V and Model 24VS Camper over/under rifle-shotgun combination guns. Although Remington developed the commercial .357 Maximum, a similar wildcat cartridge was actually developed by Elgin Gates at an earlier time.

Unfortunately, the .357 Remington Maximum revolvers all developed excessive gas-cutting on the top strap just forward of the cylinder within 1,000 rounds or so when fired with full factory loads. Ruger withdrew its Blackhawk .357 Maximum revolver from production, pending additional research and possible engineering changes. When Dan Wesson revolvers were still in production prior to the company’s purchase by CZ, it eliminated the problem by establishing a .002-inch barrel/cylinder gap for its .357 Maximum revolvers (the Dan Wesson revolvers have interchangeable barrels that are easily replaced and fine-tuned by the customer using a furnished gap tool). Top strap erosion, of course, isn’t a problem with the single-shot Thompson/Center Contender or the rifles chambering the .357 Maximum.

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General Comments

Efforts to develop ultra-high-velocity revolvers haven’t been crowned with unbridled success. The .22 Remington Jet in the Model 53 Smith & Wesson revolver is another example of a combination that was discontinued because of mechanical troubles. In the case of the .357 Maximum, the cartridge differs from the standard .357 Magnum only in case length, so one can drop back to shooting the .357 Magnum in any Maximum revolver or simply handload to lower-velocity levels using the Maximum case.

Factory ballistics were taken in a 10.5-inch, vented test barrel, and actual muzzle velocity from a revolver with the same-length barrel is about 200 fps slower than the advertised figure.

The .357 Remington Maximum was conceived primarily as an ultra-velocity, flat-trajectory silhouette cartridge. That it would also make a good field cartridge for hunting small and medium game is obvious. Many would consider it a good deer cartridge, but when used in a handgun, it would be rather marginal for that purpose. Of course, a good deal depends on the skill of the person using it and, as noted elsewhere, the older, less-powerful .357 Magnum has killed its share of big game. Certainly, the .357 Maximum has been used as a big-game handgun cartridge, but the measure of success has reflected more upon the person behind the gun than the cartridge.

357 Rem Max Table

Editor's Note: This article is an excerpt from Cartridges of the World, 16th Edition.

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  1. Has anyone ever been able to substantiate the claim that Elgin Gates created any such thing? I’d love to see the evidence. Based on no evidence whatsoever, I can only extend to him the benefit of a doubt that he may have once had a passing thought regarding an elongated 357 prior to Ruger establishing this new round. Authors repeating what they’d read for enough generations will eventually make it “true,” but there is still no evidence. I believe the next author who repeats this unsubstantiated claim owes their audience some actual research to discover an actual cartridge case, at least a drawing, test data, notes, a sketch – not hearsay based solely on Mr. Gates’ word. I’m pretty much a “nobody,” and I’ve had numerous ideas upon which I never acted, only to eventually see someone else bring the same or a similar idea into reality. I’m not whining about how someone stole my idea, because I have no rightful claim to it. That’s how things work. Otherwise – nice article about one of my favorite cartridges.


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