What is the law regarding a sawed off shotgun in the state of Tennessee?

A Dangerous Weapon is illegal in Georgia, including a sawed-off shotgun which is defined as:

# A sawed off shotgun means a shotgun or any weapon made from a shotgun whether by alteration, modification, or otherwise having one or more barrels (including the chamber) less than 18 inches in length or if such weapon as modified has an overall length of less than 26 inches.