It was issued to armored units as well as independent anti-tank units, and was fielded in a wide variety of areas, but most notably the Philippines and Okinawa, and continued to be used with diminishing effectiveness until the end of World War II.
Meriam ini diberikan pada unit lapis baja serta unit anti-tank independen, dan dikerahkan dalam beragam variasi medan, terutama di Filipina dan Okinawa, dan digunakan selanjutnya dengan keefektifan yang menurun hingga akhir Perang Dunia II.