15. Guitar Case Rocket Launcher - Desperado (1995)
Robert Rodriguez' El Mariachi movies feature plenty of firearms, but the most memorable are without a doubt the ones that also double as guitar cases. Get it? Because they're mariachis! It's difficult to pick a winner, but for sheer ridiculousness its hard to argue against the merits of the guitar case rocket launcher as the trilogy's weapon of choice. While Desperado also features a dual machine gun version, with Once Upon a Time in Mexico upping the stakes by adding both a flamethrower and a machine gun that handily doubles as a pump-action grenade launcher, the RPG version still comes out on top. Not just for the amount of devastation it causes, but also the nifty little stance that Quino adopts when firing it.
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