| 摘要 |
A firing pin for a weapon is movably mounted in a pin bushing which is resiliently biased within a bushing guide. The bushing guide limits maximum forward travel of the pin bushing. The pin bushing is urged into a position of firm contact with the rear of the cartridge, but limited in its forward travel by the bushing guide. The tip of the firing pin is prevented from passing entirely through the primer when struck by the firing pin hammer. The mechanism insures more reliable particularly if several different caliber shells are being fired.
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