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The 5.7x28mm cartridge spent most of its first two decades as an expensive niche round dominated by a single manufacturer. That's changed in a big way, and the TISAS PX-5.7 FO Raptor is one of the better reasons why. Built on Turkey's respected Tisas PX platform and imported by SDS Imports, this pistol delivers a genuinely capable 5.7 experience at a price point that makes the caliber accessible without cutting corners where it counts. The polymer frame keeps things light at just under 30 ounces unloaded, and the overall 8.5" length gives the 4.8" barrel enough room to let that small, high-velocity cartridge do its job.
The FO designation points to the sighting setup: a bright green fiber-optic front paired with a black serrated rear, both set in a Glock-compatible footprint that opens up a wide world of aftermarket options. The threaded barrel is a key differentiator on this model, ready to accept a thread protector or a suppressor with the right adapter. Both the slide and barrel wear a QPQ Tenifer finish, which is a durable, corrosion-resistant treatment that holds up well over time. The GEN3 trigger features an integrated safety bar and delivers a crisp break that reviewers have noted falls comfortably in the 4 to 5 pound range. Controls are fully ambidextrous, with bilateral slide stop levers and a reversible magazine release, so lefties don't get the short end of the stick.
If you've never shot 5.7x28mm, the recoil is genuinely surprising for the wrong reasons in the best way possible. It's one of the softest-shooting centerfire cartridges around, often compared to a stout .22 LR in terms of muzzle flip. That makes follow-up shots fast and keeps the gun approachable for a wide range of shooters. Tisas paid attention to the grip geometry, adding a relieved area where the grip meets the trigger guard so that even average-sized hands can get a high, locked-in hold without fighting the longer 5.7 magazine profile. Throw in 20 rounds on tap and a frame-mounted Picatinny rail, and this thing is ready for range days, competition shooting, or home defense duty.
It ships with two 20-round magazines, a lockable hard case, a cleaning kit, and an owner's manual. SDS Imports backs the pistol with a 1-year limited warranty on workmanship and materials, plus a lifetime service plan covering material defects.
The PX-5.7 FO Raptor is an internal hammer-fired pistol, not striker-fired. This is a common point of confusion because the polymer frame and modern ergonomics make it look like a striker gun at a glance. The trigger still delivers a consistent, predictable break in the 4 to 5 pound range, so it behaves much like what you'd expect from a quality striker-fired action.
The threaded barrel on the PX-5.7 FO Raptor uses a 1/2×28 thread pitch, which is the most common standard for 5.7x28mm and .22-caliber suppressors and muzzle devices. This makes it easy to find compatible accessories without hunting for adapters. A thread protector is typically included to cap the muzzle when not in use.
The 5.7x28mm cartridge produces noticeably less felt recoil than 9mm, with muzzle flip that's often described as closer to a .22 LR than a centerfire pistol round. The tradeoff is a lighter, faster projectile rather than the heavier bullets 9mm pushes. That lighter recoil makes fast, accurate follow-up shots easy and the platform approachable for a wide range of shooters.
Yes, the PX-5.7 FO Raptor's polymer frame includes a Picatinny rail forward of the trigger guard, so you can mount most standard weapon lights and lasers without any modification. This puts it in line with most full-size duty-oriented pistols on the market and adds a lot of practical value for home defense setups.
Yes, and this is one of the more useful features of this pistol. The sights sit in a Glock-compatible dovetail pattern, meaning the huge catalog of aftermarket Glock sights will fit without any modification to the slide. That gives you a lot of options from night sights to suppressor-height sights, all at easily found price points.
It's a solid choice for anyone looking to get into the 5.7 platform without paying the premium that the FN Five-seveN commands. The PX-5.7 FO Raptor comes with two 20-round magazines and a hard case out of the box, the trigger is well-regarded, and 5.7x28mm ammunition availability has improved significantly in recent years. Range feedback on the platform has been consistently positive for reliability and shootability right out of the box.
| UPC | 711500175845 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 15200006 |
| Action | |
| Barrel Length | 4.8" |
| Caliber/Gauge | 5.7 x 28 mm |
| Capacity | 20 |
| Color | Black |
| Model | |
| Product Type | Single Action Only |
| Shipping Weight | 3.6 |
| Sights | Fiber Optic Front Sight |
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