Modeled after AmeriGlo's award-winning Federal contract sights, the Trooper sight set by AmeriGlo features a 3-dot design that offers an instant sight picture and proven accuracy you can trust to defend night and day. The Trooper Series comes with a Proglo front sight featuring green tritium with lumigreen outline and a black serrated square notch rear sight with green tritium and black outline. Fits Glock MOS slide.