The Night Fision GLK003007OGZ Tritium Night Sights for Glock deliver a crisp, fast sight picture with a green tritium front sight and a green tritium rear sight outlined in white, designed for Glock 42, 43, and 43X. Night Fisions patented injection molded sleeve design securely holds the tritium vials in place using ballistic materials, and the sights carry more tritium than the average market option, with a domed lens engineered to collimates tritium rays for a sharper glow. CNC machined from high quality steel and finished with a black nitride coating, these sights offer improved wear and corrosion resistance for reliable field performance. Built in the USA with Swiss tritium, they provide a durable illumination that aids target acquisition in low-light environments, while preserving a clean, professional silhouette on your Glock. Installation is gunsmith recommended to ensure precise alignment, and these sights are intended to enhance accuracy and confidence in defensive or duty scenarios, where rapid, unambiguous sight acquisition can make a critical difference.