La Hitte system

Left image: The La Hitte system was based on a shell equipped with lugs which allowed it to follow the rifle grooves inside the cannon bore.
Right image: Shell used in Japan during the Boshin war.

The La Hitte system (French: système La Hitte), named after the French general Ducos, Count de La Hitte, was an artillery system designed in March 1858 to implement rifled muzzle-loading guns in the French Army.