The Ruger Security-9 in 9mm with 4-inch barrel. A value-oriented full-size 9mm striker pistol positioned below the American Pistol in Ruger's lineup. Combines LC9 trigger mechanism architecture with a larger, full-size frame at an accessible price point. Type: Semi-Auto Pistol Action: Striker-Fired Caliber: 9mm Capacity: 15 Year introduced: 2017, USA Weight: 23.8 oz Overall length: 7.24" Status: Active Intended use: Home Defense, Target