Ameriglo XL I-Dot Suppressor Night Sight Set 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 Orange Front Outline, Single Dot Rear