A cartridge may include a housing configured to contain a plurality of like items and a track inside the housing. The track extends in a first direction, and a plunger may be slidable along the track in the first direction and configured to urge the items toward a first end of the housing. The cartridge may include a gate attached to the housing. The gate may be movable between a first position preventing the items from being removed from the housing and a second position allowing one of the items to be removed from the housing. The gate may be configured to remove the one item from being urged by the plunger.