The Night Fision Optics Ready Stealth Night Sight Set Yellow Front Black Back for Glock combines Night Fisions innovative injection-molded sleeve design with Swiss-tritium illumination to deliver The Perfect Dot that remains brighter and more durable for day or night use. This set features the brightest tritium night sights on the market, a domed lens that collimates tritium rays for a sharper sight picture, and CNC machined steel construction finished with a Black Nitride coating to maximize wear and corrosion resistance. Built to exacting standards in the USA, these sights are designed to fit Glock Optics Ready MOS platforms including 17, 19, 22, 23, 34, 35, 40, 41, and 45, providing reliable performance across a wide range of duty, competition, and personal defense applications. Installation is recommended for gunsmiths, ensuring precise alignment and factory-like durability. The Yellow Front paired with Black Back enhances contrast and quick target acquisition in varying lighting, while the tritium-vial combination maintains visibility under low light conditions, making this sight set an excellent upgrade for hunters, shooters, and professionals who demand fast, accurate aiming at any hour.