The present disclosure relates to a sheath remover for removing a protective needle sheath from a drug cartridge. The sheath remover includes a resilient ring and one or more resilient legs attached to the ring and extending in a proximal direction. Each leg includes an inwardly directed ledge arranged at a proximal end of the leg. The ring consists of a resilient material allowing inward deflection of a proximal end of the ring. The present disclosure further relates to a method for assembling and a method for using the sheath remover.