The first air guns were developed as early as the 1500s. They have been used in hunting, breath of the wild more weapon slots and warfare. Air guns represent the oldest pneumatic technology.
The oldest existing mechanical air gun, a bellows air gun dating back to about 1580, is in the Livrustkammaren Museum in Stockholm. This is the time most historians recognize as the beginning of the modern air gun.
Throughout 17th to 19th century, air guns in calibers . 51, were used to hunt big-game deer and wild boar. They were also used in warfare, the most recognized example being the Girandoni air rifle.