| 摘要 |
An automatic pistol converted to fire low energy ammunition in a blow-back mode has a replacement barrel that carries a cam on its upper surface. The weapon slide, as it retires during firing, contacts the cam and rotates the chamber end of the replacement barrel downwardly. This aligns the spent casing for ejection by the ejector, once extracted from the chamber. The slide may carry a removable deflector place for contacting the cam.
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