TRUGLO Brite-Site TFX Pro, Sight, Fits Glock 17,17L,19,22,23,24,26,27,33,34,35,38,39, Tritium/Fiber-Optic, Day/Night Sight, 24/7 Brightness, Orange Ring on Front Sight TG-TG13GL1PC Green Rear Green With Orange Focus Lock Front Sight- 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.