Ruger-57 5.7x28mm 4.94 in. 10+1 Black

The Ruger-57 is a polymer-frame, semi-automatic pistol chambered in 5.7x28mm with a 4.94 in. barrel. It ships with two steel magazines and a 10+1 capacity where state limits apply. The slide is drilled and tapped for optics and fitted with a rapid-acquisition fiber-optic front sight and an adjustable rear sight.

Key Specifications

• Chambered for 5.7x28mm, matching Ruger factory specifications.
• Standard capacity of 10+1 (ships with compliant magazines for states with limits).
• Barrel measures 4.94 inches for the factory model described.
• Overall length is 8.65 inches as provided by the manufacturer data.
• Weight is approximately 24.5 oz.
• Frame is constructed from high-performance glass-filled nylon (polymer).
• Barrel finish is black nitride per the supplied specifications.
• Slide is alloy steel, drilled and tapped for easy optics mounting.
• Includes two steel magazines as listed in the product information.
• Sights feature a fiber-optic front and a windage/elevation adjustable rear.

With an optics-ready slide, ergonomic polymer frame and simple takedown, the Ruger-57 is built for straightforward use and accessory flexibility. Its combination of Secure Action fire-control elements, reversible magazine release and textured grip make it a practical option for range use, competition-style shooting, and general-purpose handgun ownership where a small-caliber, high-capacity platform is desired.