#gunlock_hammer__gunlockhammer__hammer  the part of a gunlock that strikes the percussion cap when the trigger is pulled
  supertype:  striker  the part of a mechanical device that strikes something
  part of:  gunlock__firing_mechanism  the action that ignites the charge in a firearm
     part of:  gun  a weapon that discharges a missile at high velocity (especially from a metal tube or barrel)

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