The Ruger-57 is one of the few non-FN pistols chambered in 5.7x28mm, competing directly with the FN Five-seveN at a significantly lower price point. The 5.7x28mm cartridge was designed by FN to penetrate NATO CRISAT body armor — civilian ammunition is not AP-capable but retains the flat trajectory and low recoil of the original design. The Ruger-57 features a manual safety, fiber optic front sight, and Picatinny rail. The 20-round magazine capacity gives it significant capacity for a pistol in a larger-than-9mm cartridge. Type: Pistol Action: Semi-Automatic Caliber: 5.7x28mm Capacity: 20 Year introduced: 2020, USA Weight: 24.5 oz Overall length: 8.65" Status: Active Intended use: home_defense, competition