For when you absolutely positively…

… have to ambush some fish.  This is pretty cool.  It’s a Russian assault rifle they designed to shoot into water or from water.  It’s called the APS Underwater Assault rifle.

The size of the magazine is a result of having to accomodate cartridges that look like this:

Pretty crazy.   Apparently it can shoot 100 feet underwater, or shoot out of or into water, with lethal effect.