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.