Type 64 submachine gun is the first self-developed submachine gun in China. It was designed and finalized in 1964. The 64 type micro acoustic submachine gun is compact and easy to carry and use. Equipped with specially designed 64 type 7.62mm micro acoustic submachine bullets, it has good "three micro" (micro sound, micro light, micro smoke) effect and firing accuracy, and can kill and kill living targets with light protection within 200m. If necessary, the type 51 7.62mm pistol bullet can also be fired.