Diamondhead’s DIAMOND Flip-Up Front Sight’s unique Diamond-Shaped Housing™ (Pat. & Pat. Pend.) allows for faster alignment,  especially  when  integrated with the Diamondhead®  DIAMOND Flip-Up Rear Combat Sight™ and the rear sight’s (Pat. & Pat. Pend.) Diamond-Shaped Aperture™.  The revolutionary design of the front housing creates a lightning-fast alignment of the front sight post in the center of the rear aperture.  The Tritium insert permits sighting in extreme low-light conditions.