The LiteWave H3 sight, model number Hiviz XDN521, showcases a remarkable blend of Tritium and Hiviz\'s exclusive Litepipe technology to provide around-the-clock illumination. This advanced sight system is engineered to enhance performance both during the day and night, enabling versatility across lighting situations.Boasting an all-steel construction, these sight sets are built to withstand the toughest conditions. They are ideally suited for a variety of rigorous applications, be it personal safety and security, Law Enforcement, or Military operations.Please note that this particular set is not compatible with a Springfield XD 5.25\".