The present invention relates to a pistol. The barrel assembly 2, 18, 36, 54 moves between the front stop and the rear stops 44, 48, 50 or back and forth in the firing direction of the frame or handle assembly 12. The pomi assemblies 6, 32 move back and forth substantially parallel to the barrel assembly between the front closed position and the rear open position, away from the closed position and enter the open position towards the force of the closure spring 16, the frame Or strike a component 64, 64 'away from the frame. The shock absorbing spring 66 tightens the barrel assembly towards the front stops 44, 50 and protects the barrel assembly when the spring contacts the rear stops 44, 48. The hermetic spring 16 and the damping spring 66 correlate to a blow to the frame or handle assembly or the component supporting it at the moment the barrel assembly comes into contact with the front stop.
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