Trijicon Bright & Tough Night Sight Set for Glock 17, 17L, 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