A paintball backpack includes a housing including a plurality of isolated compartments having open top end portions. The compartments include a plurality of releasable flap portions connected adjacent the top end portions. The housing further has a lower cavity provided with an outlet positioned substantially medially thereof. The lower cavity is disposed subjacent the compartments and has a bottom surface sloping downwardly and inwardly towards the outlet. The backpack further includes a harness including a plurality of shoulder portions adjacent the flap portions of the housing and extending about a user's torso and a belt section integral therewith. The backpack further includes a mechanism for selectively moving paintballs from the top end portions to the lower cavity and a mechanism for dispensing paintballs outwardly and away from the lower cavity wherein the paintballs are projected from the housing at a predetermined velocity.