A cartridge assembly (710) is disclosed. The cartridge assembly comprises a cartridge housing (720) and a cartridge (740). The cartridge housing has a plurality of biasing members (722) thereon. The cartridge is configured for reception at least partially within the cartridge housing. The cartridge includes a plurality of fasteners (760) at least partially therein. The cartridge has a plurality of pockets (742). Each fastener is ejectable from a corresponding pocket. The cartridge has a plurality of chambers (744), and each chamber is adjacent a pocket and configured to store at least one fastener at least partially therein. At least one fastener is movable from the chamber to the pocket. The cartridge includes a plurality of pushers (800), where each pusher is configured to engage at least one corresponding fastener. At least one pusher includes at least one cam surface (806, 808) thereon. Each biasing member urges at least one corresponding fastener toward the corresponding pocket.
