From 18th-century German Jaeger rifles to the modern Barrett AS50, see how centuries of technological innovation have resulted in firearms that can kill at 2,000 yards. The history of bullets, guns, sights, actions, camouflage and tactics are all unravelled as Weaponology gets locked and loaded.

One man, one weapon, lots of bullets. From the cumbersome but deadly Gatling Gun to the lightweight hand-held firepower of the modern battlefield. we trace the men and breakthroughs that gave birth to the most deadly family of infantry weapons.