Full-size 20-round polymer pistol in 5.7x28mm — Ruger's affordable challenger to the FN Five-seveN, bringing the PDW cartridge to the mainstream market at half the price. Type: Pistol Action: Semi-Automatic Caliber: 5.7x28mm Capacity: 10 Year introduced: 2020, USA Weight: 24.5 oz Overall length: 8.65" Status: Active Intended use: Self-Defense, Target