Can early muskets really penetrate armor at a long distance?

Firegun originally refers to a spear with a flamethrower tied to its front end (English: Fire? Lance). But after the Qing Dynasty, it was used to refer to Mao Shikai's musket and other almost antique guns. . The latter is a kind of front-mounted musket (there are also rear-mounted muskets, but they can't be kept airtight, so they are not often used), and they shoot at the shoulder, above the shoulder and chest as stable points. But since the end of 17, almost all European countries have unified the stability point of muskets as shoulders. A long-barreled firearm with the same rifle as its successor.

The earliest known firearm that can fire projectiles in the world is the thick bamboo tube musket of the Song Dynasty in the AD 10 century. /kloc-in the 0/3rd century, metal spears appeared in the Yuan Dynasty. After the Arabs acquired the spear technology of the Mongolian army in the Western Expedition, they made an infantry spear called Marda method. The earliest firearms record in Europe is 1364 Italian armory list in Perugia. The earliest physical object, a bronze pistol (hand? Cannon) Tannengbao porcelain. . Generally speaking, the appearance of musket replaced the original position of spear (fire door) and was later replaced by rifle (line chamber).