Mysterious Stranger's .44 Magnum (Fallout 3)

The Mysterious Stranger's .44 Magnum is a unique version of the Scoped .44 Magnum. The Mysterious Stranger's .44 Magnum 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. Which can only be done on the computer. Which results into the game freezing.