Abstract: The present disclosure relates to a sub-assembly of a medicament delivery device comprising a syringe carrier comprising at least one first locking member, a front outer shell comprising at least one second locking member and at least one third locking member, the first locking member being arranged to be moved into locking engagement with the second locking member for locking the syringe carrier inside the front outer shell upon the syringe carrier being axially aligned with and inserted into the front outer shell, and a needle cover accommodating a needle cover spring abutting an interior front end of the needle cover in a first end, the needle cover comprising a fourth locking member and at least one cut out extending axially from a rear end of the needle cover, the needle cover being arranged to be axially aligned with and inserted into the front outer shell via a front opening of the front outer shell, the axial cut out allowing the needle cover to axially slide over the syringe carrier and have the firs

Abstract: The present disclosure relates to a sub-assembly of a medicament delivery device comprising a plunger rod configured to be moveable inside the medicament delivery device, a spring abutting the plunger rod in one end and abutting an inner wall of the sub-assembly in another end to compress the spring upon the plunger rod being moved towards a distal end of the medicament delivery device, an arm extending axially and being immovable with respect to a housing, the arm having a radially extending end section, an inner surface of which end section pressing radially against the spring-loaded plunger rod to axially fix the spring-loaded plunger rod relative to the arm, a rear wall member axially movable from a lock position where an inner wall of the rear wall member radially encloses an outer surface of the arm to a release position where the rear wall member is radially offset relative to the outer surface of arm, a radially flexible tab having an axially directed surface adjacent to a counter surface of an engage