Gunland Gn Vol 01 by Captain Artiglio

In a bizarre sci-fi western world, where folks ride dinosaurs instead of horses, and magical skulls give powers to half-robot outlaws, a bumbling gang of bandits seek a stash hidden by a double-crossing partner. And the key to finding it might be the young girl they recently rescued... a girl with uncanny skills with a pair of revolvers. A gonzo adventure for teens and up.