The Type I rifle (????, I-shiki shoju) was produced during the early years of World War II for the Japanese Empire by the Kingdom of Italy (Type I is not a numeric symbol, it denominates Italian)  The Type I is based on the Type 38 rifle and utilizes a Carcano action, but retains the Arisaka/Mauser type 5-round box magazine. The Type I was utilized primarily by Japanese Imperial Naval Forces.[citation needed] It is chambered for the 6.5 x 50 mm cartridge. Approximately 120,000 Type I rifles were produced in 1938 and 1939,