Mysterious Stranger's .44 Magnum (Fallout 3)

The Mysterious Stranger's .44 Magnum is a unique version of the Scoped .44 Magnum.

Please note that, though the image to the right has a scope on it, the Mysterious Stranger's .44 Magnum a) is just called ".44 Magnum" and b) does not have a scope. (confirmed by hacking the gun into player's inventory).

Locations
It is found on the Mysterious Stranger.

Obtaining
Only by hacking.