The SIG Sauer P320 Compact is a striker-fired semi-automatic handgun with a small and lightweight design ideal for concealed carry. The innovative modular design allows the user to easily change the grip size or caliber with the use of exchange kits. This pistol features a polymer frame with a steel inner frame assembly and corrosion resistant Nitron coated stainless steel slide as well as an ergonomic textured grip. The Picatinny rail makes adding accessories a breeze while tool-free takedown makes for easy maintenance of the P320 Compact. Action DAO - Caliber 9mm - Capacity 15 - Finish Black Nitron - Grips Polymer - Sights Contrast - Barrel Length 3.9" - Overall Length 7.2" - Weight 25.8 oz.