Night Fision Night Sight Set Orange Front Square Notch Rear for FN 509

The Night Fision Night Sight Set Orange Front Square Notch Rear for FN 509 combines the brand's precision engineering with rugged reliability, delivering a brighter, crisper sight picture for accurate on-demand aiming. Night Fision's patented injection molded sleeve design securely holds their tritium vials in place with ballistic materials, while the night sights themselves carry more tritium than the average offering to produce a consistently unmistakable glow when light is scarce. A domed lens further enhances readability by collimating tritium rays for a sharper sight picture, and the sights are CNC machined from high quality steel for enduring performance. The Black Nitride coating improves wear and corrosion resistance, ensuring the set stands up to rugged use in the field or at the range. Installation is gunsmith recommended, reflecting the precision needed to align orange front and square notch rear sights for FN 509. Built in the USA with Swiss tritium, these sights provide dependable visibility and rapid target acquisition, making them an ideal upgrade for serious shooters seeking durable, higher-contrast aiming solutions.