Meprolight Tru-Dot Tritium Night Sights - For GLOCK 10mm/.45 ACP
Meprolight Tritium Night Sights for Glock 20/21/29/30. Available with green, orange or yellow rear sights. The front is always green. Meprolight night sights feature a very distinguishable white outline around the tritium ampule for daylight conditions. In darkness the tritium ampule provides illumination.