There is no doubt certain models of Husqvarna top lever guns were made by Sauer and finished by Husqvarna. I have owned a couple that had the intertwined "SUS" logo (Sauer und Sohns) on the watertable. I have never owned one of their hammer guns, but since there is such a great resemblance to the Sauer hammer guins, I suspect they also were actually purchased actions from Sauer.