#gunlock__firing_mechanism  the action that ignites the charge in a firearm
  supertype:  action_mechanism__action  the operating part that transmits power to a mechanism; "the piano had a very stiff action"
  subtype:  flintlock  wheel_lock
  part:  gunlock_hammer
  part of:  gun  a weapon that discharges a missile at high velocity (especially from a metal tube or barrel)

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