Systems, methods, and devices, for delivery of a lens portion of a modular intraocular lens into an eye, may be provided. A device may include a housing； a nozzle positioned at an end of the housing, wherein an interior of the nozzle comprises a floor, the floor including an aperture； and a cam-actuated mechanism positioned within the housing, comprising: a lens stop comprising a base and a post, wherein the post is movably disposed within the aperture； and a slider configured to move in a direction toward the lens stop, wherein the lens stop is positioned at a distal end of the slider, the slider comprising a slot that is aligned with a portion of the base of the lens stop and configured to receive the portion of the base as the slider moves.
