Truglo TFX Tritium-Fiber-Optic Day/Night Sights Fits FNH FNP-40 FNX-40 FNS-40 (Including Compact) - White Outline Front/Rear Green

Fully protected TFO technology encapsulated in a virtually indestructible configuration Impervious to oils chemicals cleaning solvents and ultra-sonic cleaning processes Unmatched visibility in all shooting conditions 24 / 7 Utilizes quality Swiss tritium for maximum brightness Glows in the dark No batteries required Concealed fiber can not be seen by target FORTRESS FINISH provides a permanent protective coating for maximum protection Snag resistant design Fits standard holsters Patented