meaning of breechblock

breechblock meaning in General Dictionary

The movable piece which closes the breech of a breech running firearm and resists the backward force associated with release its withdrawn when it comes to insertion of a cartridge and sealed once more before the firearm is fired

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  • a metal block in breech-loading firearms that is withdrawn to put a cartridge and changed to close the breech before firing
  • The movable piece which closes the breech of a breech-loading firearm, and resists the backward power of this release. Its withdrawn the insertion of a cartridge, and shut again ahead of the gun is fired.

breechblock meaning in General Dictionary

(letter.) The movable piece which closes the breech of a breech-loading firearm, and resists the backward power of discharge. Its withdrawn the insertion of a cartridge, and sealed once again ahead of the firearm is fired.