What a treasure of a rifle. Appears to be a Shellhammer stock and either a K or Kurtz Mauser or a shortened one. The other post mentioned Bieson and some others too. Hunt with it then donate it to your sons/daughters or a museum.

"When you disarm the people, you commence to offend them and show that you distrust them either through cowardice or lack of confidence, and both of these opinions generate hatred." Niccolo Machiavelli