E17797B AN/PSQ-18A Grenade Launcher Day Night Sight Mount (GLDNSM)

The AN/PSQ-18A, Model 1800, is an enhanced aiming device designed to enable the Marine to rapidly and precisely fire the M203 in daylight, low-light, and night conditions. The AN/PSQ-18A GLDNSM is being procured via the U.S. Special Operations Command (USSOCOM) to fulfill the requirements of the Marine Corps’ M203 Enhanced Sighting Device (ESD) program.

The AN/PSQ-18A is mounted to the M203.

A replacement is being developed.