When you need the biggest punch possible, wheel in the M3 Anti-Tank Gun.
This 37mm heavy hitter is a war winner from World War II.
Watch this video to see this historical piece of military hardware in action.
The M3 37mm Anti-Tank Gun is a cannon of incredible power and accuracy. Packing a punch that can knock out a tank, this beauty was the next best thing to actually having a tank on hand in battle. It also was a lot cheaper to build.