Did other countries have good World War II 40 mm contenders besides the Pom-Pom and Bofors?
Short answerFew convincing alternatives are identified; even Germany used Bofors, and investment choices limited the available options.
NotesFew convincing alternatives are identified to the Pom-Pom and Bofors. Germany's eventual use of Bofors illustrates the limited choice. Which weapons countries were prepared to fund determined the options available.