TruGlo Brite-Site TFX Pro Glock U-Notch Sight Set - Green w/Orange Outline - The TFX Glock Low Set Pro ORN Handgun Sight provides a longer sight radius for tighter groupings. The aiming elements are encased inside a virtually indestructible chemical and shock resistant capsule. All of the CNC-machined steel is protected with a rust proof Fortress Finish. There is even a highly visible white ring surrounding the front fiber to make it even more visible. TFX Pro Set for Glock; Green with orange ring front; Green rear; Fully protected TFO technology encapsulated in a virtually indestructible configuration; Utilizes quality Swiss tritium for maximum brightness; Angled rear sight edge for emergency one-hand operation;