Glock GTL-10 Tactical Lights TAC03166 is a "Safe Action" Tactical Light with a range of up to 100 meters. The Glock GTL10 Tactical Flashlight provides a durable, powerfulimage pistol light with its Xenon bulb. The Glock Tactical Light is waterproof up to one meter, and provides you with the flexibility you need with On and Momentary On operating modes.