When used in this article: “Sawed-off shotgun” means any weapon, loaded or unloaded, originally designed as a shoulder weapon, utilizing a self-contained cartridge from which a number of ball shot pellets or projectiles may be fired simultaneously from a smooth or rifled bore by a single function of the firing device and which has a barrel length of less than 18 inches for smooth bore weapons and 16 inches for rifled weapons. Weapons of less than .225 caliber shall not be included. “Sawed-off rifle” means a rifle of any caliber, loaded or unloaded, which expels a projectile by action of an explosion of a combustible material and is designed as a shoulder weapon with a barrel or barrels length of less than 16 inches or which has been modified to an overall length of less than 26 inches. “Crime of violence” applies to and includes any of the following crimes or an attempt to commit any of the same, namely, murder, manslaughter, kidnapping, rape, mayhem, assault with intent to maim, disable, disfigure or kill, robbery, burglary, housebreaking, breaking and entering and larceny. “Person” applies to and includes firm, partnership, association or corporation.