| 摘要 |
A pneumatic gun includes a barrel with a piston unit movably received therein and a handle is connected to the barrel. A chamber, an inlet passage, a communication path, a release path and a free area between the communication path and the release path are defined in the handle. An inlet is defined between the inlet passage and the free area. A neck opening is defined between the chamber and the free area. The communication path communicates with the interior, and the release path communicates with the chamber. A valve unit is received in the chamber and includes a movable part which is reciprocally movable in the inlet, free area and the chamber. A distal end of the movable part is located not below a lowest periphery of the inlet when the valve unit is activated by pulling the trigger.
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