The Ruger-57 pistol chambered in 5.7x28mm features a 4.94-inch barrel and 10+1 capacity offering exceptional performance in a lightweight reliable platform.Ruger-57 Model 16402 Pistol5.7x28mm caliber for high velocity and low recoil4.94-inch barrel length10+1 round capacityBlack polymer frame with integrated Picatinny accessory railOptics ready with drilled and tapped steel slideAmbidextrous safety for versatile operationFiber optic front sight with adjustable rear sightDouble action only (DAO) trigger systemLightening cut steel slide with serrated surfacesIdeal for personal defense competitive shooting and tactical applications where the unique 5.7x28mm cartridge's flat trajectory and penetration capabilities provide distinct advantages.