The Ruger Security-9 is a robust and reliable semi-automatic pistol, part of the Security Series. It's designed for personal defense and features a 3.9" barrel with a 1-in-10 rate-of-twist, chambered in 9mm. The pistol has a 15 + 1 round capacity and comes with two 15-round steel magazines. The frame is finished with a FDE (Flat Dark Earth) Cerakote, while the barrel and other components are blued, offering a sleek and modern look.