Meprolight For Glock G17/19/20/21/22/23/34/35 ADJ Rear Sight Green ML20224R.S. Trusted by law enforcement and military personnel these Tritium & Fiber Optic Night Sights from Meprolight are reliable in any weather conditions. Completely maintenance free and easy to mount time after time the Meprolight Tru-Dot Night Sights for Glock Pistols are the easiest night sight you'll ever use. Three solid dots make an intuitive and easy to use aiming reference to ensure that you always get your best shot with the Meprolight Tru-Dot Day and Night Sights for Glock Firearms. Small and lightweight the Meprolight Three Dot Night Sight for Glock makes wielding your weapon incredibly easy in all situations. Specifications for Meprolight Night Sights for Glock Handguns and Pistols: Manufacturer: Meprolight Gun Make: Glock Color: Black Fabric/Material: Metal / Tritium Front Material: Tritium Gun Type: Pistol Illumination Type: Tritium Features of Meprolight Tru-Dot Tritium Night Sight for Glock: Tritium is a self-illuminated light source requiring no batteries or switches and always ready when you need it Operates under all weather conditions The brightest night sights available today Totally integrated day and night sighting Maintenance free 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 Night Sights for Glock Handguns and Pistols Meprolight ML20224R.S: Fits Glock G17/19/20/21/22/23/34/35 ADJ.. Rear Sight Green