The Night Fision GLK003007YGZ Tritium Night Sights for Glock deliver a premium, high-visibility optical boost for Glock 42, 43, and 43X platforms, combining Swiss tritium with a patented injection molded sleeve that securely holds the vials in ballistic-grade material for long-term durability. Built to outperform the competition, these sights contain more tritium than the average night sight on the market, and the domed lens collimates the emitted photons to produce a crisp, defined glow that survives low-light duty cycles. CNC machined from high-quality steel and finished with a robust Black Nitride coating, they resist wear and corrosion while maintaining precision alignment under recoil. Night Fision emphasizes a user-friendly installation that a gunsmith can verify, ensuring reliable race-to-target sighting in critical moments. Manufactured in the USA with Swiss tritium, these Glock night sights are designed to withstand demanding field use while preserving a clear, controllable sight picture. Ideal for self-defense, duty, and tactical training, they optimize front and rear alignment for fast acquisition and repeatable accuracy when illumination is limited.