7×54mm Fournier
Created by the gunsmith Jean Fournier, the 7x54mm Fournier is basically the 7.5x54mm French necked down to 7 mm. The cartridge was designed to be used with the Mas Fournier hunting rifle, which was itself a modification of the MAS-36 rifle.
Since the retirement and death of Jean Fournier, the fabrication of this cartridge has stopped. However, if some original ammos are still available for sale, reloading dies and tables have been released since then.