Watch Chinese frogmen fire their special underwater guns | The Drive

This unit is nicknamed Sea Dragon as they are tasked with many different underwater tasks. One of which is using a special underwater gun. They are using the QBS-06 underwater assault rifles, which can direct back to the Soviet Union. The Drive provides a video of the gun in use.

Source: https://www.thedrive.com/the-war-zone/35578/watch-chinese-naval-commandos-fire-their-special-underwater-guns