Gun Of The Week: Tisas PX-57 FO Raptor

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posted on October 10, 2025
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Since the 2010s, we’ve seen an influx of Turkish-made imports, and companies such as SDS Imports out of Knoxville, Tenn., are bringing the American shooter unique, quality-made examples, some modeled after successful designs of the 20th century like the M1911A1 we’ve shown here previously on Gun Of The Week, and others of their own blueprint. One such standout is the company's PX-57 FO Raptor, a polymer-frame pistol in 5.7x28 mm FN that is a whole lot of fun to shoot. Watch our video above to see this 5.7x28 mm-chambered handgun in use on the range.

Tisas 1911A1 pistol left-side view on white with text overlay bottom left NRA GUN OF THE WEEK

The Tisas PX-5.7 FO Raptor comes as a recoil-operated, hammer-fired pistol built around a centerfire cartridge designed and made popular by Fabrique Nationale. And considering that 5.7x28 mm FN cartridge was designed as a low-recoil defense option, it only seems fitting to see the proliferation of it in tools for such use. While it has taken a quarter century to do so, companies such as Tisas are in the fray with their take on a design platform to utilize FN’s famed cartridge.

At 8.5 inches long, the PX-5.7 FO is a full-size gun, however, its empty weight of 29.2 ounces fills the hands nicely without being burdensome. And of course, when loaded with 20 cartridges of 5.7x28 mm, that weight is sure to increase, but not like it would if .45 ACP were involved. Given its full-size stature, one important feature to note is the available barrel length on this model, which nearly stretches to 5 inches, so energy from the small hot-rod cartridge remains useful, especially against two-legged dangers.

GUN OF THE WEEK AMERICANRIFLEMAN.ORG text on image arrangement tiles 9 screenshots compilation men shooting Tisas PX-57 pistol in 5.7x28 mm FN studio stocks details closeups of gun parts angles

Tisas has done well at focusing on ergonomics of the PX-57 FO. The gun’s bilateral design, with takedown levers on either side, along with a magazine release that is swapable from left to right, opens the door for users of all types. As a handgun meant for defensive use, you’ll find all the creature comforts you need, including Picatinny rail for accessories and a robust Tenifer metal finish to combat the possibility of corrosion.

From a carry perspective, the dehorning throughout along with the tapered muzzle and slide will be a huge benefit. From an overall general-use viewpoint, the ample stippling around the grip and two stippled pads and a ledge to index your support thumb are niceties most shooters come to expect these days. The trigger guard is also quite large, which we think will work well with gloved hands. At the rear of grip is another sound ergonomic feature, which is a generous radius that is designed to lock the shooting hand at high-hold position. Sight-wise, on this non-optic version there’s a drift-adjustable U-notch rear and a fixed fiber-optic front, which also appear quickly when risen to the shooting eye.

A few things stood out to our shooters sampling the gun at the range. First, there is, of course the recoil and shootability of the platform, which we found all to be quite manageable and fun. The gun’s trigger, while having a somewhat long reset, we found aided the accuracy and potential of the platform. We also appreciated the gun’s 20-round magazines during drills—more time on target is always a good time. In addition, considering the intended defensive use of the gun, generous Picatinny rail is a bonus.

Tisas PX-57 pistol left-side view on white with GUN OF THE WEEK blue banner at bottom of image

Tisas PX-57 FO Raptor Specifications
Importer: SDS Imports
Action Type: recoil-operated, semi-automatic, centerfire pistol
Barrel: 4.83"
Frame: polymer
Slide: carbon steel; Tenifer finish
Magazine: 20-round detachable box
Sights: drift-adjustable, U-notch rear; fixed, fiber-optic front
Trigger: hammer-fired; 5-lb., 2-oz. pull
Overall Length: 8.5"
Width: 1.33" 
Weight: 29.2 ozs.
MSRP: $481

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