A subassembly of a medicament delivery device

A subassembly of a medicament delivery device configured to expel medicament from a medicament container, the subassembly comprising:

• a housing extending axially between a proximal end and a distal end;
• a needle shield configured to move axially relative to the housing, the needle shield comprising a distal portion having a first guiding surface extending in the circumferential and/or axial direction;
• and
• a rotator engageable with the distal portion of the needle shield and comprising a supporting surface configured to engage with the first guiding surface, the rotator having a second guiding surface extending in the axial direction and being configured to guide the first guiding surface to the supporting surface,
• wherein the first guiding surface comprises a proximally directed portion configured to abut a distally directed portion of the supporting surface to prevent further axial movement of the needle shield in the proximal direction.