The unique QBS-06 is an underwater assault rifle with 5.8x42 DBS-06, and is used by Naval frogmen. It is based on the Soviet APS.
In early February 2018, pictures of what is claimed to be a Chinese railgun were published online. In pictures the gun is shown mounted on the bow of a Type 072III-class landing ship Haiyangshan. Media is suggesting that the system is or soon will be ready for testing. In March 2018, it was reported that China had confirmed that it had begun testing its electromagnetic rail gun at sea.