the present invention relates to an automatic charge magazine for storage and handling of propellent powder charges of the modular charges and / or powder bag charges type , also termed increment charges , for projectiles , for example shells , which are arranged in a fireable manner , together with the increment charges , in an artillery gun , preferably of the vehicle - mounted artillery gun type , wherein the charge magazine comprises a plurality of charge containers arranged in a drivable revolving track , which charge containers are arranged to assume feed - in and feed - out positions for the feed - in and feed - out of at least one increment charge to and from the charge containers . the invention can principally be deemed to be characterized in that the charge magazine also comprises at least one ejection member , which ejection member , in response to control signals from the said control unit , ejects one or more increment charges from the respective charge container / applied in the feed - out position , to a loading tray belonging to the gun .