13. City Car Cannon
In 2022, the world discovered an astonishing version of the tiny 1955 BMW Isetta – one fitted with an M2 Browning machine gun. Although the practicality of such a weapon on a compact car is questionable, the audacious concept captured attention. Despite the questionable intent behind this creation, it highlights the potential ingenuity of DIY military vehicle enthusiasts and serves as an interesting anomaly in the world of unconventional warfare.
