the Carl Gustav M/45, also known as the Kpist m/45, a Swedish submachinegun used by American special forces during the Vietnam War.
Kulsprutepistol m/45 (Kpist m/45), also known as the Carl Gustav M/45 and the Swedish K SMG, is a nine mm Swedish submachine gun designed by Gunnar Johnsson, adopted in 1945 (hence the m/45 designation), and manufactured at the Carl Gustafs Stads Gevärsfaktori in Eskilstuna, Sweden.