Introduction of pear flower gun

Pear flower gun is a firearm invented by Li Quan in Song Dynasty, which is a combination of spear and fire tube. However, another way of saying it is that the pear flower gun is a product of the Ming Dynasty. Although recorded in the books of the Ming Dynasty came from the Song Dynasty, it is only an accessory of the Ming Dynasty. The word pear flower describes Li Quan's agile and changeable marksmanship.