Trijicon HD Night Sight Set for Glock 17, 19, 22, 23, 24, 25, 26, 27, 28, 31, 32, 33, 34, 35, 37, 38, 39, and 45 Gen 1, 2, 3, 4, 5 Steel Matte 3-Dot Tritium Green with Front Dot Outline