Revolver is a handgun in Detroit: Become Human. It is a .357 Magnum.
Russian Roulette Edit
Hank attempts to kill himself with the gun by playing Russian Roulette, while drunk.
The Bridge Edit
He will point the gun at Connor to ask him questions about whether Connor believes himself to be alive. He will shoot Connor in the head if they have a poor relationship.
Night of the Soul Edit
If Hank has quit the police force, he will use the gun to commit suicide by playing Russian Roulette.