I don't know, but you can certainly find a Taurus Judge.
Depends on the laws where you are.
Field Judge
It is called a pistol
The Taurus Judge runs about $650 MSRP
Pistol aficionados refer to it as recoil.
It is called a grip.
It is called the Mossberg 45 Pistol.
a judge is also called your honor
Well, there were swords with built in pistols called a Cutlass pistol, there are pocket knives with a single shot pistol, called a knife pistol, and military rifles with a bayonet on them (no special name).
A gunsmith
Holster