If you’re familiar with all four official NATO cartridges, you had to know this one was coming as the grand finale to our NATO cartridges series. The incredible 50 BMG – perhaps sometimes looked at as though made of unicorn horns and leprechaun dust – Ryan Muckenhirn explains the origins of this old beast, what its reasonable capabilities actually are, its many applications, and why you should have a half inch gun in your own safe for when SHTF. You simply can’t miss the one about the biggest of them all.