The Suomi KP/ -31 sub-machine gun sticks out amongst its peers, and I want its tale. As I explore the layout and manufacturing background behind this Finnish weapon, 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://archerqtuu011223.vidublog.com/27592980/military-history-of-the-suomi-kp-31-sub-machine-gun