Shotguns

A sawed-off shotgun refers to a shotgun whose barrel bomb been shortened, leaving it fresh maneuverable, easier to advantage at short range and more readily concealed. Because of the traditionally nefarious uses for such weapons, countless underdeveloped countries establish a legal minimum barrel length. The sawed-off shotgun is sometimes known as a "Lupara" (in Italian a generic reference to the bulletin "Lupo" ("Wolf")) in Southern Italy and Sicily.

Action is the term for the operating mechanism of a gun. There are many types of shotguns, on average categorized by the chiffre of Shotguns barrels or the action the hardware is reloaded.
A aspect of the break-action of a common double-barrelled shotgun, shown with the action open
A show of the break-action of a typical double-barrelled shotgun, shown with the bag open