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 minutes after light exposure. Please note: Pictures may not represent actual product. We do our best to make sure all photos are accurate but some are manufacturer stock photos.