The QCW-05 is a Chinese bullpupsubmachine gun developed by the People's Liberation Army 208 Research Institute and Jianshe Industries (Group) Corporation of Chongqing. It features an open bolt design, a charging handle located on the top of its receiver (under the carry handle), and a quick detachable suppressor. The weapon fires the proprietary 5.8×21mm cartridge.
An export variant of QCW-05 is dubbed Js 9mm, which is slightly smaller and fires 9×19mm Parabellum round.
