Ruger is an American firearm manufacturing company based in Southport, Connecticut. Ruger has maintained a reputation for providing quality investment castings for challenging applications. This magazine was designed for the Ruger LC9 9mm Pistol, it holds 9 rounds. Ruger uses up to 50 different high quality alloys for their designs through the process of casting alloy. Ruger is known for longevity, and reaching quality heights.