Dickinson XXPA-12SB: Dickinson shotguns are constructed using a new design that allows for strength simplicity of operation and lightweight. You will notice the ease that the barrel fore-end and bolt may be removed as a unit to facilitate cleaning. And the smoothness of function is uniform, whether firing light 2 3/4" shells or heavy 3" shells. All materials are the finest for their intended purpose, assuring years of trouble-free operation. This model is considered a "hybrid" as it features pump-action and semi-automatic operation. This system is excellent as it allows this model to be 100% functional, no matter the situation!