| 摘要 |
An alarm for distinguishing between an empty and a malfunction condition for a firearm having a breech block catch lever operated by the magazine follower to lock the breech block in the open position when the firearm is empty. The alarm may include an indicator device (14) and a switching system responsive to the catch lever being operated by the magazine follower to lock the breech block in the open position for setting the indicator device to a first state to represent that the magazine and chamber are empty and the breech block is locked open and not malfunctioning and responsive to the catch lever being unoperated. The breech block being free for setting the indicator device to a second state to represent that the firearm has stopped firing because of a malfunction. |
