Shotguns have played a significant role in the world of firearms since their invention in the 17th century. Originally, shotguns were manually operated, requiring the shooter to manually load each shell into the chamber. However, as technology progressed, the semi-automatic shotgun was introduced, revolutionizing the way firearms were used. In this article, we will delve into the fascinating history of semi-automatic shotguns, exploring their evolution, revolutionary advancements, and modern marvels.