The Suomi KP/ -31 sub-gun stands out amongst its peers, and I'm interested in its tale. As I check out the layout and manufacturing background behind this Finnish gun, I find that the combination of ingenious features like the high-capacity drum magazine and quick-change barrel made it a game-changer https://lorenzottsi555544.total-blog.com/history-of-the-suomi-kp-31-submachinegun-53296320