Overview: Join Monty Halls and Stuart Prior, as they test the use of a canon against various targets for power and accuracy. With the advent of gunpowder, warfare changed irrevocably. Monty and Stuart examine the science behind how firearms work and put the canon and Three Band Enfield head to head. Using these weapons they explore their range, accuracy, rate of fire and ease of use. They also train using the SA80, the submachine gun used by the British Armed Forces.