Trijicon GL201-C-601138 tritium night sights provide a raised aiming plane for suppressed Glock pistols. Their suppressor-height profile supports a clear sight picture and precise target acquisition in daylight or low light.An orange front sight pairs with a metal rear sight and green tritium illumination. Battery-free phosphor lamps sit in protective aluminum sleeves with silicone cushioning; a sapphire jewel distributes light evenly.Compatible with Glock models 17, 17L, 19, 22, 23, 24, 25, 26, 27, 28, 31, 32, 33, 34, 35, 37, 38, 39, and 45.Tritium phosphor-filled lamps provide illumination without batteries.Aluminum sleeves and silicone rubber cushioning protect the lamps.Sapphire jewel promotes even light distribution.Add a durable, suppressor-height sighting solution to your compatible Glock setup.