superposed rifle
Definition: Long gun with two barrels rifled barrels in over and under layout.
Translation:
DE: Bock-Doppelbüchse
FR: carabine à deux coups : canons superposés
CS: kulová kozlice
RU: двухствольный вертикальный штуцер
ES: carabinade dos cañónes superpuestos
IT: carabine a due canne sovrapposti