How do you get the screaming gun in borderlands 2?

To obtain the Screaming Gun in Borderlands 2, you need to participate in the "Mysterious Amulet" quest, which is initiated by talking to a character named "Mr. Torgue." You will ultimately need to defeat the boss known as "The Warrior" to get the gun as a drop. Additionally, the Screaming Gun is known to drop from certain loot midgets or as a rare loot drop from specific enemies in the game. Keep an eye out for it in the loot pool!