What is the biggest gun?

Answer 1

I believe that would be the rail gun. It consists of two magnetic poles. A giant magnet is held at the bottem. It is held back so much that by the time they let it go, it shoots out so far, you can accuratley hit a man's finger off across the Atlantic ocean.

Answer 2

The biggest gun ever built is the Schwerer Gustav, a German 80 cm railway gun used during World War II. It weighed over 1350 tons and had a range of up to 47 kilometers.

Answer 3

Are you talking bore size or physical size?

Answer 4

The biggest gun ever used is the Schwerer Gustav which was a German Railway gun used in WW2 it had an 800mm shell with each shell weighing up to 7.1 tonnes

Answer 5

.950 JDJ