A surgical clip applier, comprising: a housing; at least one handle pivotably connected to the housing; a channel assembly extending distally from the housing; a clip carrier disposed within said channel assembly and defining a channel therein a plurality of clips slidably disposed within said channel of said clip carrier; a drive channel for closing jaws of the clip applier and slidably supported within at least one of said housing and said channel assembly and operatively connected to said at least one handle; a clip pusher bar slidably supported within at least one of said housing and said channel assembly; a linkage mechanism disposed in at least one of said housing and said channel assembly, said linkage mechanism operatively connected to said drive channel and to said clip pusher bar and configured to translate said clip pusher bar in a first, proximal, direction upon translation of said drive channel in a second, opposite direction, and to maintain said clip pusher bar in position upon further translation of said drive channel in the second, opposite, direction wherein the linkage mechanism includes a cam slot having a first pin slidably disposed therein, said first pin being operatively connected to said drive channel and slidable along said cam slot upon translation of said drive channel, wherein said cam slot includes a cam portion and a dwell portion, said first pin being slidable along said cam portion to cause said linkage mechanism to translate said clip pusher bar in the first direction upon translation of the drive channel in the second direction, and being slidable along the dwell portion to allow the linkage mechanism to maintain the clip pusher bar in position upon further translation of the drive channel, characterised in that the linkage mechanism includes a first linkage arm including the cam slot and rotatably disposed at least partially within the housing, said first linkage arm rotatable upon translation of the first pin along the cam portion of the cam slot to translate the clip pusher bar in the first direction, and wherein the linkage mechanism further includes a second linkage arm rotatably secured to the first linkage arm and to the pusher bar and slidably secured to the housing. a housing; at least one handle pivotably connected to the housing; a channel assembly extending distally from the housing; a clip carrier disposed within said channel assembly and defining a channel therein a plurality of clips slidably disposed within said channel of said clip carrier; a drive channel for closing jaws of the clip applier and slidably supported within at least one of said housing and said channel assembly and operatively connected to said at least one handle; a clip pusher bar slidably supported within at least one of said housing and said channel assembly; a linkage mechanism disposed in at least one of said housing and said channel assembly, said linkage mechanism operatively connected to said drive channel and to said clip pusher bar and configured to translate said clip pusher bar in a first, proximal, direction upon translation of said drive channel in a second, opposite direction, and to maintain said clip pusher bar in position upon further translation of said drive channel in the second, opposite, direction wherein the linkage mechanism includes a cam slot having a first pin slidably disposed therein, said first pin being operatively connected to said drive channel and slidable along said cam slot upon translation of said drive channel, wherein said cam slot includes a cam portion and a dwell portion, said first pin being slidable along said cam portion to cause said linkage mechanism to translate said clip pusher bar in the first direction upon translation of the drive channel in the second direction, and being slidable along the dwell portion to allow the linkage mechanism to maintain the clip pusher bar in position upon further translation of the drive channel, characterised in that the linkage mechanism includes a first linkage arm including the cam slot and rotatably disposed at least partially within the housing, said first linkage arm rotatable upon translation of the first pin along the cam portion of the cam slot to translate the clip pusher bar in the first direction, and wherein the linkage mechanism further includes a second linkage arm rotatably secured to the first linkage arm and to the pusher bar and slidably secured to the housing.