Viridian 9300040 CTL for Glock with SAFECharge C Series Black 120/210/580 Lumens White LED Glock 17/19/22/23The popular Glock Standard Frames has a proprietary rail that prevents standard rail mounted accessories from fitting it. This CTL Custom was designed specifically for the Glock Standard Frames by the expert engineers at Viridian. Viridian has collaborative relationships with the major gun manufacturers allowing for the ultimate custom fits on the custom C Series. The CTL is corner stone within Viridians C Series line of high performance rechargeable