Ruger-57 5.7x28mm 4.94″ Black Polymer Pistol

The Ruger-57 is a semi-automatic pistol chambered in 5.7x28mm that combines a lightweight polymer frame with a hardened alloy steel slide. It ships with two steel magazines and features an optics-ready, drilled-and-tapped slide along with an adjustable rear sight and a fiber-optic front sight. Ergonomic details such as a changeable backstrap and a Picatinny-style accessory rail support a range of practical configurations for serious range work and accessory integration.

Key Specifications

• The caliber is 5.7x28mm.
• The barrel measures 4.94 inches.
• The barrel twist rate is 1:9" RH.
• The overall length is 8.65 inches.
• The unloaded weight is 24.5 oz.
• The frame material is polymer.
• The slide material is alloy steel.
• The barrel finish is black nitride.
• The slide is drilled and tapped for optic mounting.
• Includes two steel magazines.

Built around a modern ergonomic platform, the Ruger-57 offers optics readiness, adjustable sights, and accessory compatibility for shooters who prioritize modularity and controllability. Its combination of a lightweight polymer frame, changeable backstrap, and Picatinny-style rail supports a wide range of configurations for range training, target work, and practical handgun use.