Night Fision’s Night Sight Set provides tritium-illuminated sights designed for the FN 509. The pair combines a yellow front sight with a square notch rear to aid low-light sighting. Components are CNC machined from high quality steel and finished with Black Nitride for improved wear and corrosion resistance. The design uses domed tritium lenses to create a defined glow; gunsmith installation is recommended.
Key Specifications
- The front sight color is yellow.
- The rear sight style is a square notch.
- Compatible with FN 509.
- Constructed from high quality steel.
- Finish uses a Black Nitride coating.
- Includes domed tritium lenses for a crisp glow.
- Uses Swiss Tritium in the vials.
- Installation is gunsmith recommended.
- The listed weight is 0.065.
Engineered for dependable low-light visibility and built to withstand routine use, this Night Fision sight set is a practical upgrade for FN 509 owners who prioritize clear sight picture and durable construction. The bright, domed tritium lenses and robust finish make the set well suited for everyday carry and defensive readiness where reliable sighting in reduced light is important.
