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 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://finnnomm788990.bligblogging.com/28607296/information-about-the-suomi-kp-31-smg