Ameriglo’s series of Classic Tritium Night Sights deliver a highly effective aiming solution that’s easily visible in all lighting conditions. The front sight is composed of a green tritium lamp with a white outline, and the rear sight features two tritium lamps (available in green or yellow) with white outlines. Options are offered for a wide array of different handguns, and taller sight sets are available for use with suppressors or optic compatibility. Features: Highly visible in all lighting conditions Front sight: green tritium lamp with white outline Rear sight: two tritium lamps (available in green or yellow) with white outlines Available for wide array of different handguns Suppressor-height sight sets available Ameriglo Classic Green Tritium 2-Dot w/White Outlines .394"H .15"W Sq Notch Rear Sight for Glock (Excl. 42,43,48) GTR-100