In A.D. 1 132, a military strategist in the Southern Song Dynasty invented a musket, which is the earliest tubular firearm in the world military history and can be called the originator of modern tubular firearms. By the end of the Southern Song Dynasty (1259), people in Shouchun Prefecture had created a musket, which used giant bamboo as the barrel and fired bullets (including black powder, ceramic tiles, broken iron, stones and so on). ). When detonating, the flame is ejected from the muzzle, and the bullet flies out, scattering and killing the opponent. This is the real origin of modern shotguns.

/kloc-in the 3rd century, gunpowder and metal tube-shaped firearms from China were introduced to Europe, and muskets developed rapidly. /kloc-At the beginning of the 5th century, the Spanish invented the matchlock gun. Later, it was imitated by the Ming dynasty and called the bird spear. Until AD 1525, the Italian Finch invented the flint gun, changed the ignition of match rope into flint, and gradually overcame the influence of climate, simplified the shooting procedure, improved the shooting accuracy, and could shoot at any time. The invention of the afterloading gun was a major change in firearms in the19th century, which ended the 500-year history of loading bullets from the muzzle with a rifle probe and was called "a new era of light weapons and infantry tactics" by some history books.