Hunting rifle calibre conversion kit and procedure for converting the calibre of said rifle

Abstract

A hunting rifle calibre conversion kit including a rifle including at least one barrel defining a central axis and configured to house cartridges of a predetermined main calibre, the kit also includes at least one first conversion apparatus including a hollow cylindrical element defining its own expansion axis and configured to be positioned inside the barrel in such a way that the expansion axis coincides with the central axis, the cylindrical element is also configured to house cartridges of a higher calibre than the predetermined main calibre.

Dependencies are inferred from the claim text.