Gh.K. 40 (Anti-Tank Gun)

A German 47mm anti-tank gun used during World War II. It was an improvement over the earlier Pak 36, with a longer barrel and increased armor penetration. It was effective against many Allied tanks, but it was eventually outmatched by later models.

Ck. 47mm Anti-Tank Gun M1

A US Army anti-tank gun, used extensively during World War II. It was effective against early German tanks but became less effective as German armor improved.