The present disclosure relates to a cartridge carrier assembly for (1) a medicament delivery device comprising: -a cartridge carrier (6) adapted to receive a cartridge (2) defining a cavity containing a dose of a medicament, -a needle hub (5.3) being part of the cartridge carrier (6) or coupled to the cartridge carrier (6) such that the needle hub (5.3) is fixed relative to the cartridge carrier (6), the needle hub (5.3) adapted to receive a distal end or part of the cartridge (2), -an injection needle (5) having a tipped proximal needle section (5.2) adapted to pierce a sealing element (2.4) distally arranged on the cartridge (2), -a removable needle cap (7) attachable to a distal end of the cartridge carrier (6), wherein the needle hub (5.3) comprises a cartridge retention feature (5.4) adapted to abut the cartridge (2) or a part thereof to limit axial movement of the cartridge (2) in the distal direction (D) such that the proximal needle section (5.2) is spaced from the sealing element (2.4), wherein the cartridge retention feature (5.4) is deflectable by the cartridge (2) allowing the cartridge (2) to advance in the distal direction (D) such that the proximal needle section (5.2) pierces the sealing element (2.4), wherein the needle cap (7) is adapted to prevent deflection of the cartridge retention feature (5.4) when attached to the cartridge carrier (6).La présente invention concerne un ensemble support de cartouche destiné à (1) un dispositif d'administration de médicament comprenant : un support de cartouche (6) conçu pour recevoir une cartouche (2) définissant une cavité contenant une dose d'un médicament ； un raccord d'aiguille (5.3) faisant partie du support de cartouche (6) ou étant raccordé au support de cartouche (6) de sorte que le raccord d'aiguille (5.3) est fixe par rapport au support de cartouche (6), le raccord d'aiguille (5.3) étant conçu pour recevoir une extrémité distale ou une partie de la cartouche (2) et, une aiguille d'injection (5) ayant
