The Suomi KP/ -31 submachinegun attracts attention among its peers, and I'm interested in its story. As I investigate the design 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 on https://charliewywu334444.newsbloger.com/28604489/a-brief-history-of-the-suomi-kp-31-sub-gun