AN/PEQ-2 – Wikipedia

The AN/PEQ-2 succeeded the AN/PAQ-4C, which was designed in the early 1990s after the Persian Gulf War. The device, which is mil-spec, is still seeing active service but is being withdrawn and replaced amongst U.S. Armed Forces.It was also part of the U.S. SOPMOD kit, though the device is being replaced by the new smaller AN/PEQ-15 (ATPIAL) model. …

https://en.wikipedia.org/wiki/AN/PEQ-2