Dirty Harry

THE HOLY PISTOL IS REAL. READ THE TRIVIA SECTION. Next idiot that says its fake is going to get blocked. The Holy Pistol is a weapon found in Call of Duty: World at War.

Call of Duty: World at War
The Holy pistol is essentially an M1911 that shoots rifle grenades. It is only used when incapacitated with the Suicide King Death Card enabled, however, the player can also acquire it through the console on PC. It appears in every single-player level, including Vendetta and Nazi Zombies, though only by use of cheats.

Trivia

 * Due to the fact that the weapon was never meant to be used while standing, several graphical quirks exist with this weapon. For instance, when sprinting with this weapon, you hold the weapon down as if you were using a bolt action rifle with rifle grenade. Also, from third person, you appear to throw a grenade whenever you fire the weapon.
 * This weapon's file name is "colt_dirty_harry" refering to the movie Dirty Harry
 * Just like the Ray Gun if you hold down the fire button the holy pistol will fire automatically.
 * The Holy pistol takes much longer to look through the sights than the M1911.
 * The C-3000 B1ATCH35, obtained by upgrading the M1911 in the Pack-a-Punch Machine in Der Riese is very similar to this weapon except it damages you when you shoot it near you. The Holy Pistol doesn't damage you and it fires automatic not semi-automatic.
 * The Holy Pistol is quite possibly a reference to the Holy Hand Grenade in Monty Python and The Holy Grail.