AMERIGLO is committed to manufacturing the highest quality tritium, painted dot, fiber rod, and custom OEM iron sights for the modern hand-gunner. With the largest selection of set options for leading firearm brands, AMERIGLO brings a clear advantage to your shooting experience on and off the range. Features: Suppressor height sight sets for all Glock models excluding 42, 43 Will work with most optics co-witness Some optics will require taller sights and should select the "Tall Optic Height" model All tritium sets use green tritium LumiGreen paint will glow brightly for 10 min after light exposure