The present disclosure relates to a hub assembly for use with an endoscopic assembly of a reposable surgical clip applier having an outer housing, a drive assembly, and a clip counting apparatus rotatably and translatably supported within the outer housing. The drive assembly is supported within the outer housing and includes an inner shaft supporting a tab. The clip counting apparatus includes an elongate body defining a throughbore therethrough configured to slidably receive the inner shaft. A plurality of grooves is radially defined within an inner surface of the throughbore and each is configured to slidably receive the tab of the inner shaft. A lockout groove is defined within the inner surface of the throughbore disposed adjacent a final groove of the plurality of grooves and configured to receive the tab of the inner shaft and inhibit distal translation of the inner shaft relative to the elongate body.