A reload assembly a shell housing, a staple cartridge, a pusher assembly, a knife carrier, an annular knife, and a spring clip. The shell housing includes an inner housing portion that defines a central bore. The knife carrier includes a body defining a longitudinal axis and a cutout and is movable within the shell housing between advanced and retracted positions. The spring clip is supported on the inner housing portion of the shell housing and has a locking tang and an engagement portion. The spring clip is movable from a first position in which the locking tang is received within the cutout of the knife carrier to obstruct advancement of the knife carrier to a second position in which the locking tang is removed from the cutout of the knife carrier.