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breechblock

Line breaks: breech|block

Definition of breechblock in English:

noun

A metal block which closes the aperture at the back part of a rifle or gun barrel.
Example sentences
  • In addition to new breechblocks and hammers, the older extractor was replaced with a newer design.
  • Tip the end of the breechblock downward enough for the striker to slide out the back of the block.
  • The extractors eject the cartridge case and retain the breechblock in the fully open position.

Definition of breechblock in:

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