#pump_action__slide_action__slideaction  action mechanism in a modern rifle or shotgun; a back and forward motion of a sliding lever ejects the empty shell case and cocks the firearm and loads a new round
  supertype:  #action_mechanism__action  the operating part that transmits power to a mechanism; "the piano had a very stiff action"
  part of:  #rifle  a shoulder firearm with a long barrel and a rifled bore; "he lifted the rifle to his shoulder and fired"
  part of:  #shotgun__scattergun  firearm that is a double-barreled smoothbore shoulder weapon for firing shot at short ranges

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