Krupp's preference for sliding-block breeches

What is the largest calibre that can use a sliding-block breech before an interrupted screw is required?

No definite limit is given; Krupp's willingness to keep developing sliding-block systems is the basis of the reply.

Krupp's commitment to sliding-block breeches prompts the suggestion that the firm would attempt the arrangement on almost any sufficiently funded large-gun project. No numerical calibre limit is established for when an interrupted screw would become necessary. The extravagant gun size mentioned is a joke, rather than a demonstrated engineering capability.