The Ruger American Pistol OR (Optics Ready) in 9mm with 4.2-inch barrel. Factory optics-ready variant of the American Pistol with a pre-milled slide accepting common red dot footprints. Adds optics mounting to the proven American Pistol platform without premium pricing. Type: Semi-Auto Pistol Action: Striker-Fired Caliber: 9mm Capacity: 17 Year introduced: 2019, USA Weight: 30.2 oz Overall length: 7.5" Status: Active Intended use: Duty, Home Defense