In addition to the M/45 SMG didn't the Swedish contingent in the Congo use AG m/42B rifles as their standard weapon? I know I have seen photos of them in service with Swedish UN peacekeepers there.

This group of Swedish soldiers in the Congo are on mine-clearing duty, and they are armed with m/45B submachine guns and Ljungman AG m/42B rifles.
https://www.americanrifleman.org/media/uuqnhy0e/swedek2.jpg?quality=60