The ITL MARS (Multi-purpose Aiming Reflex Sight) is a gun sight that combines two sighting devices, a reflex sight and a laser sight, as well as a backup iron sight. It is designed and produced by ITL Optronics company, based in Israel.
"An unmagnified optic for short range engagements."
— In-game description
The 1x MARS is a reflex sight featured in Insurgency: Sandstorm.