Thank you for the warm welcome!!
Yes, the swedish mausers are like the Kongsberg ones you guys have, this website has a pretty good overview, the STR replaced them in the competition around 1990 or so
https://www.gotavapen.se/gota/artiklar/rifles_se/rifles63se.htm
The Kongsberg stuff is pretty rare here in the USA, and gets expensive because of it
Metallic silhouette is also how it is known in Mexico, I do mostly 22lr but also have a 6br and lever gun with metallic sights. Air silhouette as well