A removable drive assembly (400) and a reposable endoscopic surgical clip applier (10) including the same are disclosed. The drive assembly (400) includes an inner member (410), an outer member (420), and first and second compression springs (430,440). The inner member (410) includes a mandrel (412), an elongated shaft (414) extending distally from the mandrel (412), and a pin (419) protruding transversely from the elongated shaft (414). The first compression spring (430) is disposed about the mandrel (412). The outer member (420) includes a proximal hub (422) and an elongated sleeve (424) extending distally from the proximal hub (422) and is configured for removable positioning about the elongated shaft (414) of the inner member (410). The outer member (420) further defines a bayonet slot (426) configured to receive the pin (419) to releasably engage the outer member (420) about the elongated shaft (414) of the inner member (410) with the second compression spring (440) disposed between the mandrel (412) of the inner member (410) and the proximal hub (422) of the outer member (420).Linvention concerne un ensemble dentraînement (400) amovible et un applicateur dagrafe chirurgicale reposable endoscopique (10) le comprenant. Lensemble dentraînement (400) comprend un élément interne (410), un élément externe (420), et des premier et second ressorts de compression (430,440). Lélément interne (410) comprend un mandrin (412), un arbre allongé (414) sétendant distalement à partir du mandrin (412), et une broche (419) faisant saillie transversalement à partir de larbre allongé (414). Le premier ressort de compression (430) est disposé autour du mandrin (412). Lélément externe (420) comprend un moyeu proximal (422) et un manchon allongé (424) sétendant distalement depuis le moyeu proximal (422) et est configuré pour un positionnement amovible autour de larbre allongé (414) de lélément interne (410). Lélément externe (420) définit en outre une fente à baïonnette (426) configu