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