HIVIZ NITESIGHT are made for fast sight acquisition in all light conditions. Sights feature a low profile, snag free design and are easily installed. The three-dot green Tritium design allows for increased night-fire accuracy without the need for batteries or recharging. Laser sealed Tritium inserts are surrounded by a thin white line for enhanced use in daylight. The NIGHTSIGHT Tritium is high temperature-resistant with a crimped sapphire protective lens. FeaturesLaser sealed tritium insert covered by aluminum sleeveSuperior tactical nighttime visibilityLow-profile snag free design