The Ruger-57 is a semi-automatic handgun chambered in 5.7x28mm designed for accurate, controllable performance on the range and practical defensive carry for those who choose this cartridge. It pairs an alloy steel barrel with a black nitride finish to a high-performance glass-filled polymer frame with an integral Picatinny-style accessory rail. The slide is drilled and tapped for optics and the pistol ships with two steel 20-round magazines for extended range sessions.
Key Specifications
- The caliber is 5.7x28mm.
- The barrel measures 4.94 inches.
- The barrel is made from alloy steel with a black nitride finish.
- The frame is high-performance glass-filled polymer with a Picatinny-style accessory rail.
- The action is semi-automatic.
- The sighting system is fiber optic front and adjustable rear sights.
- Includes two 20-round steel magazines.
- The overall length is 8.65 inches.
- The unloaded weight is 24.5 oz.
- The slide is drilled and tapped (optics ready).
The Ruger-57 combines a lightweight polymer chassis and a nitrided alloy steel barrel with Ruger’s proven Secure Action-style fire-control design to provide a controllable, accurate platform for range use and practical applications. Its optics-ready slide, accessory rail and included magazines make it deployment-ready for a range of modern configurations while maintaining straightforward, tool-free takedown and routine maintenance.
Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.
Related Videos:




