Tisas PX-5.7 OR Raptor 5.7x28mm 4.8″ Optics-Ready
About this product
The Tisas PX-5.7 OR Raptor 5.7x28mm is an optics-ready, semi-automatic pistol built on a polymer frame specifically designed for the 5.7x28mm cartridge, featuring a direct-mount RMSc slide cut and a 4.8-inch target-crowned barrel. This platform represents a purpose-built entry into a niche caliber category dominated by the FN Five-seveN and Ruger-5.7, offering a factory optics solution at a notably lower price point. It ships with two 20-round magazines and employs an ambidextrous control layout, making it a functional candidate for both defensive use and practical shooting sports where low recoil and high capacity are prioritized.
What is the Tisas PX-5.7 OR Raptor used for?
This pistol is designed for shooters who want a dedicated, optics-ready platform for the 5.7x28mm cartridge, primarily serving as a low-recoil, high-capacity option for defensive carry and practical shooting competitions. The lightweight polymer frame and 23-ounce unloaded weight reduce carry fatigue, while the 20-round magazine capacity exceeds most 9mm duty pistols. The cartridge itself is known for its high velocity and flat trajectory, making this pistol particularly effective when paired with a red dot for rapid target acquisition at intermediate distances, though it requires specific ammunition that can be more expensive than common pistol calibers.
How does the Tisas PX-5.7 OR Raptor compare to the FN Five-seveN?
The Tisas PX-5.7 OR Raptor is a direct, more affordable alternative to the FN Five-seveN, trading some premium material finish and aftermarket support for a significantly lower price and a factory-equipped RMSc optics cut. Where the FN Five-seveN often retails above $1,200 and requires separate machining for an optic, the Tisas comes ready for a red dot at roughly half the cost. The Tisas uses a more conventional slide serration pattern and polymer frame construction similar to its 9mm counterparts, whereas the FN employs a proprietary, largely polymer upper assembly; for pure mechanical reliability with military-proven design, the FN wins, but for an optics-ready budget entry into the 5.7x28mm world, the Tisas is the better value proposition.
What does it weigh and what are the dimensions?
Unloaded, the Tisas PX-5.7 OR Raptor weighs 23 ounces (652 grams) and measures 8.5 inches in overall length with a 4.8-inch barrel height of 5.7 inches. The slide width is 1.2 inches, comparable to a standard Glock 19 frame, and the grip circumference is approximately 6.9 inches, which accommodates a variety of hand sizes without excessive bulk. These dimensions make it holster-compatible with many medium-frame pistol options, though the 5.7x28mm-specific magazine well may require a dedicated holster for secure retention.
Who is this NOT for?
This pistol is not for the budget-conscious plinker or someone seeking their first handgun, due to the specialized and costly 5.7x28mm ammunition. If your primary use case is casual range time with cheap 9mm ball ammo, a traditional platform like the Stevens 334 in .308 Win for rifles or a common 9mm pistol will offer far lower operating costs. It's also not ideal for users who demand extensive aftermarket customization, as the 5.7x28mm platform has fewer supported triggers, barrels, and accessory rails compared to the ubiquitous Glock or 1911 ecosystems.
What's in the box?
The factory package includes the pistol, two 20-round steel magazines, a polymer magazine loader, a cable lock, and the owner's manual with warranty card. Unlike some competitors, it does not include a hard case or supplementary backstraps, reflecting its budget-oriented positioning. The RMSc optic cut is bare, so you must supply your own compatible micro red dot sight, such as a Shield RMSc or Sig Sauer RomeoZero, which adds a minimum of $150 to the total system cost.
Is the Tisas PX-5.7 OR Raptor worth it at $541.99?
At $541.99, this pistol is worth it specifically for the shooter who has decided to adopt the 5.7x28mm cartridge and requires an optics-ready host without paying FN or CMMG prices. You are getting a functioning, range-tested platform with a respectable 4.8-inch barrel and target crown that ships with two magazines, a configuration that would cost over $1,000 from the established market leader. The investment only makes sense if you are committed to sourcing 5.7x28mm ammunition, which averages $0.70 per round for brass-cased target loads, and plan to mount an optic; otherwise, a Stevens 555 Sporting O/U Shotgun offers more versatile shooting for less money per trigger pull.
Specs at a glance
Video review
Pros & cons
What works
- Factory RMSc optic cut saves $150-200 in machining costs versus milling an FN Five-seveN.
- Weighs 23 oz unloaded — 3.5 oz lighter than a standard polymer-frame 9mm with a comparable 4.8-inch barrel.
- Includes two 20-round steel magazines, providing 40 rounds of capacity out of the box.
Trade-offs
- 5.7x28mm ammunition costs $0.70/round for brass — nearly triple the cost of 9mm range ammo.
- No threaded barrel option from the factory, limiting suppressor use without a $250+ aftermarket barrel.
- Limited holster compatibility requires a custom Kydex order, adding $75-100 and a 2-week wait.
Expert review
Key attributes
| upc | 810162050184 |
| manufacturer | SDS Imports |
| manufacturer part number | 15200007 |
| shipping weight | 3.2 |
| action | Single Action |
| atf type | Pistol |
| barrel length | 4.8" |
| caliber/gauge | 5.7 x 28 mm |
| capacity | 20 + 1 |
| color | Black |
| length | 11.4000 |
| mount type | RMSc Footprint |
| number of magazines | 2 20 rd. |
| package height | 2.8 |
| package width | 8.6 |
| product type | Semi-Auto Pistol |
| sights | FS: Fiber Optic RS: Adj. |
| sights type | Adjustable Sights |
| state restriction (il) | NO SALE TO ILLINOIS PICA |
Frequently asked questions
- Is it compatible with Holosun 507K optics?
- Yes, the RMSc-cut slide is directly compatible with the Holosun 507K, 407K, and EPS Carry models, which share the same mounting footprint. No adapter plate is required, allowing for a co-witness height with the supplied suppressor-height iron sights. Ensure you use the correct length mounting screws to avoid interfering with the extractor plunger channel.
- Does it fit Glock 19 holsters?
- No, it does not fit standard Glock 19 holsters due to its unique slide profile and trigger guard geometry. You will need a holster specifically molded for the Tisas PX-5.7 or a universal holster designed for optics-ready pistols with a 4.8-inch barrel. We recommend checking with Vedder Holsters or T1 Concealed for custom Kydex options, which typically ship within 10-14 business days.
- How long does shipping take to an FFL?
- Processing and shipping to your selected Federal Firearms License (FFL) holder typically takes 3-5 business days after order verification and payment clearance. The firearm is shipped via UPS or FedEx with adult signature required, and transit time depends on your location, generally adding 2-7 additional business days. You must contact your FFL in advance to provide them with your tracking number and confirm their transfer fee and hours.
- Can I return it if there's a mechanical issue?
- Yes, Ironclad Armory accepts returns for firearms with verifiable mechanical defects within 30 days of the original shipment date for inspection and repair or replacement. You must initiate the return through our customer service portal and ship the firearm via an approved carrier to our designated service center in Knoxville, TN; the process from receipt to resolution typically takes 10-15 business days. This does not cover cosmetic wear, buyer's remorse, or issues arising from aftermarket modifications.