The present invention relates to a medicament container holder (70) comprising a body (72) designed to accommodate at least a part of a medicament container (74), which medicament container is arranged with a medicament delivery member (90) surrounded by a needle shield (92); a holding element (98) arranged at a proximal end of said body (72) for holding a neck portion of said medicament container (74), said holding element (98) being flexible in generally radial directions; support elements (104) provided between said holding element (98) and said body (72), which support elements (104) allow generally outwardly movement of said holding element (98) from a first initial position during passing of said needle shield (92) when said medicament container (74) is placed in said medicament container holder (70), ensuring inwardly movement of the holding element (98) after passing of the needle shield (92), returning said holding element (98) towards the first initial position to a second position, and promoting generally inwardly action of said holding element (98) to a third position during attachment of a needle shield remover (110) to said needle shield (92).La présente invention concerne un support de récipient de médicament (70) comprenant un corps (72) conçu pour recevoir au moins une partie d'un récipient de médicament (74), lequel récipient de médicament est agencé avec un élément d'administration de médicament (90) entouré par un protecteur d'aiguille (92); un élément de maintien (98) disposé à une extrémité proximale dudit corps (72) pour maintenir une partie col dudit récipient de médicament (74), ledit élément de maintien (98) étant flexible dans des directions généralement radiales; des éléments de support (104) disposés entre ledit élément de maintien (98) et ledit corps (72), lesquels éléments de support (104) permet généralement un mouvement vers l'extérieur dudit élément de maintien (98) depuis une première position initiale pendant le passage dudit prot