The Smith & Wesson M76 submachine gun was produced by Smith & Wesson from 1967 to 1974. It is a copy of the Swedish Carl Gustav m/45 with an open bolt design and fires
9x19mm Parabellum ammunition.
During the Hakone Incident, some Chinese MSS agents carries these gun.
Smith & Wesson M76 in real life.
A Chinese operative carries the Smith and Wesson M76.