ArtStation - Grappling Hook Gun Toy

ArtStation - Grappling Hook Launcher

Speargun From The Movie Batman 1989 - 3D Print Model by vetrock

ArtStation - Grappling Hook Gun (RopeGun)

ArtStation - Grappling hook gun

crossbow from the movie van helsing 3D Print Model in Other 3DExport

ArtStation - Grappling Hook Gun Toy

5th Class: The Wrecker (includes a LOT of concept art and a LOT of math!) : r/DeepRockGalactic

ArtStation - Grappling Hook Gun Toy

ArtStation - Greifhakengewehr - Grappling hook launcher

ArtStation - Grappling Hook Gun Toy

ArtStation - Grappling Gun

ArtStation - Grappling hook gun

ArtStation - 1950s style grappling hook gun concept

Howitzer (launcher), Call of Duty Wiki