TruGlo Tritium X Low, White Outline Tritium Front/ Green Tritium Rear/Black Nitride Fortress Frame, Compatible w/Most Glock Except MOS, Front Post/Rear Dovetail Mount TG-TG231G1XW

You count on your handgun to be reliable in any situation. Your sights should be held to the same standard which is why TRUGLO TRITIUM-X sights are made from solid steel and treated with a nitride FORTRESS FINISH to handle just about anything. SWISS TRITIUM lamps provide a bright and constant glow in low light or even complete darkness. Tritium does not require any batteries or light exposure it simply glows! - 3-dot configuration - Transitions from white dots to glowing tritium dots for day and night visibility - Smooth snag-free design fits most standard holsters