These advanced handgun sights are designed to keep you on target in any lighting condition. Equipped with tritium inserts they provide a reliable glow in the dark without the need for batteries or external light sources. The square front sight and U-notch rear design ensure quick and accurate targeting while the FOCUSLOCK ring on the front sight enhances focus speed. Constructed from CNC machined steel with a black nitride fortress finish these sights are built for durability and precision. Specifically designed for the Kahr K-Series they fit seamlessly into most standard holsters. With quality Swiss tritium these sights are assembled in the U.S.A. for optimal performance and brightness.