Well bows and slingshots were the first use of fire arms ever. The first "GUN" was the musket and musketoon,a fire arm capable of firing anything that will fit.
The first was the gatling gun invented in 1862
The black powered gun was first and it shot shotgun slugs but the pistol was the first gun ever invented
1115 is when the first gun was invented
To kill and it was believed that it was a sort of protection
The first ever chainsaw to be invented was in 1969
The oldest known air rifle gun was invented by Girandoni of Vienna about 1780, for the Austrian Army. Daisy is credited for invented the first BB gun around 1895.
1803
Germany invented the first assault rifle-the Sturmgewehr or STG
The first American gun that was invented, was the Colt firearm in 1836. It was invented by Samuel Colt (1814-1862) of Utah. This was a revolver, the first rifle was in 1879 by John Moses Browning.
Spencer
colt
Britain