Using the metal on their firearms, they bridged the two batteries to transfer the charge.
A LiveLeak video identifies them as being in Iraq but we don’t know the location for sure. “The two soldiers aren’t in any danger from the guns, since there are no bullets, but holding a metal object while electricity is passing through it isn’t exactly safe,” Mihnea Radu with Auto Evolution wrote.
Some people have even said the video is fake. What do you think? Check out the footage: