What Ameriglo learned from their award-winning U.S. Federal Government contract sights, Ameriglo put into the AMERIGLO Trooper sight set. This three-dot design 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 and a serrated square notch rear sight with green tritium. Features : Serrated, subdued square notch rear sight promotes front sight focus Inspired by their U.S. Federal Government contract sights Green front with orange outline, green rear Fits Walther PDP