The gun's low weight meant that it could be easily moved by hand, and this mobility made it ideal for their purpose. Variants 40 mm 40M – This was a Hungarian design. It was effectively a Pak 36 but rebarrelled to fit a Škoda 40 mm A17, the standard Hungarian light anti-tank gun. This could fire the same ammunition as the Bofors 40 mm anti-aircraft gun, and also had a version of Stielgranate ammunition made for it. 37 mm anti-tank gun M1930 (1-K) – This was a Soviet anti-tank gun designed by Rheinmetall and produced under license, which was very similar to the Pak 35/36, but lacking some improvements. Guns captured by Germany were given the designation 3.7 cm Pak 158(r). Type 97 37 mm – This was a Japanese anti-tank gun designed by Rheinmetall and produced under license, which was similar to the Pak 35/36. – This was an Italian anti-tank gun designed by Rheinmetall and produced under license, which was similar to the Pak 35/36. Guns captured by Germany after the Italian defeat were given the designation 3.7 cm Pak 162(i). The Netherlands were also a user of the Pak 35/36. Guns captured by Germany were given the designation 3.7 cm Pak 153(h). Operators : received 12 guns before the Italian invasion : 305 guns purchased, used as 37 mm pvkan m/39 (L45), m/39-40 (L50), m/39-43 (L45, 37mmx257R) and m/40-43 (L50, 37mmx257R) Guns of similar performance and era 37 mm Gun M3 – a US 37 mm anti-tank gun of similar performance. Bofors 37 mm – a Swedish 37 mm anti-tank gun of similar performance. Škoda vz. 34 – a Czech 37 mm anti-tank gun of similar performance. Škoda vz. 37 – a Czech 37 mm anti-tank gun of similar performance. Type 94 37 mm – a Japanese 37 mm anti-tank gun of similar performance. References Bibliography External links 37 mm artillery World War II anti-tank guns of Germany World War II anti-tank guns World War II weapons of China Rheinmetall Military equipment introduced in the 1930s