breechblocks

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  7. weapon components
  8. projectile weapon components
  9. firearm components
  10. [breech mechanisms and breech mechanism components]
  11. breech mechanism components
  12. breechblocks
Scope note
Movable metal blocks fitting into the breeches of firearms, serving to close and seal the breech opening of the barrel during firing.
breechblocks
Accepted term: 10-Nov-2025