14. The Magpul FMG-9 is a submachine gun that folds up into a rectangular block the size of a laptop battery. It's mostly made of a lightweight polymer rather than metal. 13. It's not technically ...

"Uraltransmash (part of Uralvagonzavod Group within the state hi-tech corporation Rostec ... "This is one of the world’s most powerful self-propelled guns designated to strike vital enemy ...

From rifles that can shoot underwater to guns that require a fingerprint to fire, here are some of the most sophisticated weapons being developed right now.