That one shotgun...

[TableSalt]

It's just called "Shotgun".
It's black and gray.
It has one barrel.
It was used to make the OP Shotgun on Battlemix.
I want it.

[Ad Bot]

[Kidalex90]

http://orbs.daprogs.com/rtb/forum.returntoblockland.com/dlm/viewFile6e03.html?id=13
here

[The Subject]

It's the Sawed-Off shotgun in the RTB archives. It will be called Shotgun.