Diamondback FS Nine: The DB FS Nine is a full-sized 9mm pistol that incorporate a slew of safety features, like a trigger safety and a firing pin block safety, in a striker-fired, double-stack, polymer-framed pistol. The stainless steel slide is almost fully serrated so you can rack the slide with ease. Three-dot sights aid in rapid target engagement and an accessory rail allows for the attachment of a laser or light.