The Trijicon Bright & Tough Night Sights for the FN 509 deliver self-luminous tritium visibility in complete darkness without batteries or external light sources.
Type: Fixed tritium night sights
Configuration: 3-dot green tritium
Lamp Life: 12+ years
Finish: Matte black
Material: Steel construction
Daylight Visibility: White painted rings
Compatible Firearms: FN 509 series
Installation: Dovetail mount (sight tool recommended)
