It was based on the American M1 Garand with an integral 10-round magazine and chambered for the Japanese 7.7×58mm Arisaka cartridge.

However, none of the rifles entered into service before the end of World War II, with only 250 being made, and many others were never assembled.

However, guns were getting scarce and their main military opponent, the United States, had replaced their bolt weapons with modern semi-automatic rifles.

At the same time, Nazi Germany and the Soviet Union were also developing their own semi-automatic weapons, such as the Russian SVT-40 and German Gewehr 43, which would give them a great advantage on the battlefield.

[5] They found that while the Garand could chamber, fire, and cycle with the 7.7×58mm Arisaka ammunition, the 8-round en-bloc clip system was incompatible with the new rifle cartridge and would not feed reliably.