GTL 10 & 11 : These tactical lights are specially designed for GLOCK pistols with mounting rails. They feature a xenon light for reliable illumination of targets. The housing is made of high-quality polymer, which guarantees minimal weight. The GTL 11 also has a dimmer function for adjusting the light intensity12.
 GTL 21 & 22 : Similar to the GTL 10 & 11, these models feature a xenon light and a high-quality polymer housing. In addition, they offer a red (visible) laser that can be adjusted for pinpoint accuracy. The laser can either work independently or in conjunction with the xenon light. The GTL 22 also has a dimmer function that allows the user to adjust the light intensity as needed34.
 GTL 51 & 52 : These tactical lights are specifically and exclusively designed for military and government use. In addition to the xenon light and red laser, the GTL 51 and 52 feature an IR light and an IR laser. A centrally located mode switch allows each light or laser to be selected individually or in combination with the others. The GTL 52 additionally features a dimmable xenon light and a dimmable IR laser56.
 Each GLOCK Tactical Light Set includes a hard storage case made of durable polymer and a spare bulb.