With an empty magazine in place, it weighs just 24.5 ounces. For its size, this pistol is surprisingly light. The pistol has a relatively robust recoil spring. There is a lightening cut in the top of the slide, and aggressive cocking serrations front and back. The slide is alloy steel with a black oxide finish. It is long for a pistol cartridge, but it’s narrow so the gun’s grip is still quite comfortable. The 5.7x28mm cartridge (c.) flanked by a. Why 4.94 inches? Ruger says it’s because the slide has a recessed breech face, so the distance between the breech face in the slide and the tip of the barrel is actually 5.0 inches. This pistol appears stretched because it sports a 4.94-inch barrel to get as much as possible out of the bottleneck high-velocity cartridge. There is also a safety lever on the trigger to prevent impact-related accidental discharges. The safety can be engaged when the hammer is not cocked, and the long lever, while narrow, is easy to work with your thumb. There is an ambidextrous 1911-style thumb safety that blocks the movement of the trigger: up for Safe, down for Fire. It is a single-action pistol with an internal hammer. This is a polymer-framed pistol, but it is not striker-fired. Externally, the Ruger-57 looks like a stretched Security-9, with a few unique features. Tarr found the slide stop hard to use as a slide release.īefore we dive into the ballistics of the curious little 5.7x28mm cartridge, let’s look at the pistol itself. It has an excellent trigger and a reversible magazine release. The Ruger-57 looks a lot like a Security-9. It’s taken more than 20 years for another major gun company to introduce a pistol chambered in this cartridge, but that day is finally here with the Ruger-57 (pronounced “five seven”). Thus, in 1998, the FN Five-seveN pistol was born. They ultimately realized that while it was long, the cartridge would still fit into the grip of a traditional handgun. Once the P90 was introduced, the engineers then started looking for alternate platforms for the interesting new cartridge. With the P90, the FN engineers wanted to create a firearm for military and law enforcement that was easier to shoot than a traditional handgun and would penetrate soft body armor (dedicated armor-piercing ammo is not available commercially) but was substantially smaller and lighter than a traditional rifle. In 1990 FN developed the 5.7x28mm cartridge in conjunction with its select-fire P90 PDW, similar to what John Browning did with the. You just can’t talk about the new Ruger-57 pistol without covering a little history, so let’s very briefly roll things back a couple decades.
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