Shipping wedges for installing end effectors onto an endoscopic assembly of a surgical tack applier are provided. In aspects, a shipping wedge (300) includes an elongate body (310) extending along a longitudinal axis (A) and defining a channel (311) therethrough, and an arm (330) disposed within a slot (313) defined in a side wall (314) of the elongate body (310). The arm includes a first end (330a) coupled to the side wall and a second end (330b) that is movable laterally with respect to the side wall (314). In aspects, a shipping wedge includes an elongate body extending along a longitudinal axis and defining a channel therethrough. A proximal portion of the elongate body includes a first arm extending proximally from a distal portion of the elongate body and a locking tab extending laterally into the channel of the elongate body.
