Ameriglo’s line of premium Spartan Sight Sets are a durable, easy to use aiming solution that’s easy to see in virtually all lighting conditions, including complete darkness. The front sight is composed of a green tritium lamp with either an orange or LumiGreen outline, and the rear sights feature two green tritium lamps with either a black or a white outline. Available for wide array of different handguns. Features: Front sight: green tritium lamp with either an orange or LumiGreen outline Rear sight: two green tritium lamps with either a black or a white outline Available for wide array of different handguns Ameriglo Spartan Grn Trit w/Org Outline Front, Grn Trit w/Wht Outline Rear 3-Dot Night Sight for Glock 20,21,29-32,36,40,41 GL-245