It depends upon your goal. One 3-second burst from a just about any minigun would clear the deck of a typical pirate vessel, but anyone on board isn't going to

It depends upon your goal. One 3-second burst from a just about any minigun would clear the deck of a typical pirate vessel, but anyone on board isn't going to return to shore. There are political and ethical considerations to killing pirates on sight. If your goal is to disable the vessel, a laser like this stands a far greater chance of disabling the vessel without killing the inhabitants.