| 摘要 |
The single-shot device used in the trigger assembly of automtic firearms comprises a push member formed in the right end of the singleshot lever (5), a trigger sear (6) fixed at the right part of the trigger case (14'), compressed springs (7,9) inserted on the lower faces of the single-shot lever (5) and the trigger sear (6), a hinge lever (10) fixed to the trigger sear (6), a compressed spring (10") inserted between the trigger sear and the hinge lever, and a safety slide block (12) inserted in the fixed shaft (12') of the trigger case (14'), whose contact has 3 steps. The advantage is providing a simple single-shot mode in automatic firearms when aimshooting or test shooting is veccessary.
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