The Suomi KP/ -31 sub-machine gun stands apart amongst its peers, and I want its tale. As I explore the layout and manufacturing background behind this Finnish weapon, I find that the mix of ingenious functions like the high-capacity drum magazine and quick-change barrel made it a game-changer on https://andrestvut900777.tinyblogging.com/history-of-the-suomi-kp-31-smg-71894211