Saluting gun

The invention provides a saluting gun. The saluting gun comprises a gun barrel, a gun bore, a gun bore door, a fastening device and a clamping device. The gun bore door comprises a gun bore door main body, a hand wheel, a shifting fork and a rotating connecting piece. The hand wheel is located outside the gun bore door main body, and the hand wheel is connected with the shifting fork through the rotating connecting piece; the fastening device comprises a fastening main body and a fastening screw arranged on the fastening body; the vertical distance between the end face of the free end of the shifting fork and the gun bore door in the locking state is larger than or equal to the vertical distance between the fastening screw and the gun bore door in the locking state, and the vertical distance between the end face of the free end of the fastening screw and the fastening main body is larger than or equal to the vertical distance between the shifting fork and the fastening main body; and the clamping device is fixed to the inner wall of the gun bore, and is located on the periphery of a saluting firework shell body. According to the saluting gun, releasing of the whole saluting firework shell can be completed only by rotating the hand wheel on the outer portion of the gun bore door, the saluting firework shell is not in contact with an operator, and therefore the problem that a certain security hidden danger exists in the prior art can be solved.