Gokudo Heiki (極道兵器), also known as Yakuza Weapon, is a Japanese live-action film based on the Japanese comic book series Gokudo Heiki by Ken Ishikawa. The film was first premiered in Japan on 2011-02-27 during the Yubari International Fantastic Film Festival and it was shown during several other film festivals around the world before being theatrical released on 2011-07-23. The movie was released in home video format in several countries besides Japan.