The Machine Gun Dragon (1976)
Original title: 横浜暗黒街 マシンガンの竜
The Machine Gun Dragon is a 1976 Japanese-language action movie directed by Akihisa Okamoto, with a running time of 1h 33m. It stars Bunta Sugawara, Koichi Iwaki and Kyōko Enami.
Ryu, a low life thug, along with his mother, steals a shipment of drugs. Now with his machine gun and a gang of hoodlums, he must face the yakuza and the mafia.