A carton for packaging containers is provided. The carton includes a top wall, two side walls, a bottom wall, and two closed end walls. At least one of the closed end walls is an exiting end. The carton includes at least one detachable portion to be detached from at least a portion of one of the end walls and the side walls. The at least one detachable portion to be detached from the carton defining an opening at the exiting end through which containers may be removed. The exiting end opening has a size. The carton includes upper and lower retention portions formed from the end wall at the exiting end. At least one of the upper and lower retention portions is hingedly connected to at least one of the top wall and the bottom wall for increasing the size of the exiting end opening to facilitate removal of the containers.