The full-size 509 with a factory optics-ready slide cut, bringing the 509 platform into the direct red-dot-ready duty market without requiring aftermarket milling. Type: Pistol Action: Semi-Automatic Caliber: 9mm Capacity: 17 Year introduced: 2019, Belgium Weight: 25.2 oz Overall length: 7.4" Status: Active Intended use: Duty, Law Enforcement, Competition