Crafted with precision for tactical excellence, the HD Night Sights are designed to meet the demands of discerning shooters. The front sight, adorned with a three-dot green tritium configuration, boasts a heightened blade and a photoluminescent paint-ringed aiming point. Complementing this, the black-outlined rear sight features a wider U-shaped notch for enhanced visibility, especially in varying lighting conditions. The steeply hooked front surface of the rear sight aids in emergency one-handed slide operation, ensuring optimal performance in critical situations. Backed by a 12-year warranty for the green tritium lamps, these sights offer unmatched reliability. Professional installation is recommended for optimal performance. Front Sight Width: 0.144". Front Sight Height: 0.268". Rear Sight Height: 0.291".