The Sawed-off Shotgun is a double barrel shotgun. There is a belt on the side of the shotgun that can hold an additional 6 shells. Like all shotguns, the Sawed-Off shotgun is compatible with both 12 Gauge buckshot and 12 Gauge Slugs.
The Sawed-off Shotgun can be bought from the store at Vanno for a price of $800.
A Sawed-off Shotgun can be found atop a red barrel in the Supply Depo.
Sawed-off Shotguns can be found in Explosive Loot Crates.
The sawed-off shotgun, like the Hunting Shotgun, is incompatible with all attachments, including sights.