#gunsight  a sight used for aiming a gun
  supertype:  sight.optical_instrument  a optical instrument for aiding the eye in aiming, as on a firearm or surveying instrument
  subtype:  battlesight  open_sight  panoramic_sight  peep_sight  telescopic_sight
  part of:  gun
  part:  view_finder__finder  optical device that helps a user to find the target of interest

No statement uses or specializes gunsight; click here to add one.