The Suomi KP/ -31 SMG attracts attention 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 functions like the high-capacity drum magazine and quick-change barrel made it a game-changer https://finnstpm676798.bloggactivo.com/27758420/history-of-the-suomi-kp-31-submachinegun