A firearm cleaning device is disclosed herein. The device may include a housing comprising a grip portion, a motor housing portion opposite the grip portion, a neck portion disposed between the grip portion and the motor housing portion, and a slot disposed adjacent to the neck portion between the grip portion and the motor housing portion. The device also may include a motor disposed within the motor housing portion and a battery disposed within the grip portion. The battery may be electrically coupled to the motor. In addition, the device may include a shaft coupled to the motor and extending out of the motor housing portion, a detachable brush attachable to the shaft, and a motor switch disposed about the housing opposite the slot for activating the motor.