The Diamondback DB FS Nine is a full-size optics-ready 9mm pistol representing Diamondback's move into the competitive full-size market. Features an aggressive grip texture, optics cut, and accessory rail. Type: Semi-Auto Pistol Action: Striker-Fired Caliber: 9mm Capacity: 15 Year introduced: 2016, USA Weight: 26 oz Overall length: 7.8" Status: Active Intended use: Home Defense, Service, Competition