A revolver, which refers to small arms. The prior art revolvers have the following disadvantages: complex structure and large size, the runner can only be swung out from the left side of the gun body, the loading speed is slow, the gap between the runner and the barrel cannot be closed, and the sight is inconvenient for quick aiming, etc. . The upper casing of the present invention is provided with an automatic shell ejection mechanism linked with the trigger, the screw hole of the gun body is screwed with a closed chamber device, and the cross-sections of the front sight and the rear sight are symmetrical to each other. Tilted at an angle, the tips of the two front sights are on the centerline of the barrel. The spring magazine clip is connected with 6 holding clips on the detachable elastic bending magazine clip at both ends, and can use ordinary bottomless pistol bullets. The present invention is a "revolver pistol" with simple structure, compact layout, small volume, automatic shell ejection, fast loading, closed bullet chamber, unique aiming device, completely symmetrical structure, and convenient operation by both left and right hands. ".