Type 60 self-propelled 106 mm recoilless rifle
The Type-60 self-propelled 106 mm recoilless gun (or rifle) (60式自走無反動砲, roku-maru-shiki-jisou-muhandou-hou) is a light anti-tank vehicle developed by Japan in the late 1950s. It mounts two M40 106 mm recoilless rifles as its main armament.
Source: Wikipedia — Type 60 self-propelled 106 mm recoilless rifle (CC BY-SA 4.0)