Ameriglo XL Suppressor Night Sight Set for Glock 17, 19, 20, 21, 22, 23, 24, 26, 27, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 45 Tritium Green Front with White Outline, Black Rear