This rifle type projector is breech loaded and is powered by a .22 cal. Blank cartridge. It comes with Blank adaptor for the .22 cal. Power loads. Multiple ranges are achieved through the use of 4 different Power Loads. This model has a .50 cal., rifled barrel. The Barrel length is 25 inches, the overall length is 41 inches and the weight is 7lbs. It can be fitted with a scope.