breech plug definition

  • noun:
    • in breech-loading weapons, the metal plug or cylinder which closes the aperture in the breech, through which the firearm is loaded.
    • In ordnance, the steel connect which closes the bore of a breech-loading gun at rear-end.
41 votes

How would you define breech plug?

All the definitions on AZdictionary were written by people just like you. Now's your chance to add your own!