Meprolight Self Illuminated Tru-Dot Fixed Night Sights For Ruger P89 Series Pistols Green/Green. Trusted by law enforcement and military personnel these Tritium Pistol Sights produced by Meprolight are reliable in any weather conditions or light levels. Sleek lightweight Meprolight Tritium Night Sights give shooters a 3-dot aiming reference that remains fully visible and consistently located under all light conditions for improved rapid instinctive aiming. Meprolight Tru Dot Night Sights for Ruger Handguns never need batteries so they are ready whenever you are. Specifications for Meprolight Tru-Dot Night Sights for Ruger Handguns: Manufacturer: Meprolight Gun Make: Ruger Front Sight Color: Green Rear Sight Color: Green Fabric/Material: Metal / Tritium Front Material: Tritium Attachment Type: Screw Illumination Type: Tritium Illumination Color: Green Mount Type: Dovetail Features of Meprolight Tru Dot Night Sights w/Tritium for Ruger Handguns: Self-illuminated Tritium light source. No batteries or switches always ready when you need them. Unequaled low light performance. Operates under all weather conditions. The brightest night sights available today. Intuitive day and night sighting system. Solid fit sleek look. Maintenance free. Withstand prolonged immersion in commonly used solvents and cleaning compounds. Can be mounted directly with no weapon modifications. Over 4500000 systems in use worldwide. Tests by marksmen show an increase of over 85percent in hit capability. Strongest worldwide comprehensive warranty in the industry. Package Contents: Meprolight Tru-Dot Night Sights for Ruger Handguns Meprolight 109903101: Self Illuminated Tru-Dot Fixed Night Sights For Ruger P89 Series Pistols Green/Green