Articles, & Research on the European Theater in World War II
"Japanese 81-mm Mortar Ammunition" from Tactical and Technical Trends
A U.S. intelligence note on use of Japanese mortar ammunition in U.S. mortars during WWII, from
Tactical and Technical Trends
No. 40, December 16, 1943.
[DISCLAIMER: The following text is taken from the U.S. War Department
publication Tactical and Technical Trends. As with all wartime
intelligence information, data may be incomplete or inaccurate. No
attempt has been made to update or correct the text. Any views or
opinions expressed do not necessarily represent those of the website.]
81-MM MORTAR AMMUNITION
Test firing has demonstrated that Japanese 81-mm mortar ammunition is
completely interchangeable with US ammunition when fired in
the US 81-mm M1 mortar. Slightly shorter ranges
are obtained with the Japanese ammunition.