You have a pre-1945 Anschutz garden gun.
Yes, most likely. Anschutz relocated from Zella Mehlis in Eastern Germany to Ulm in the SW in 1945. I don't know enough about Germany's wartime economy, but civilian production may have gone on the back burner.Ok so it wss prewar
BU and G, rather than BUG. These are the proof marks on your rifle. B and U show it passed proof, and G indicates a rifled barrel.BUG?
I'd guess the chamber and freebore are loose enough to accomodate the longer case and bullet. This rifle was not made to satisfy current ideas of precision/accuracy.I wonder how you'd have gotten that L.R. to chamber "if" the rifle is chambered Short only?
I'd play it safe and not shoot any HV in it seeing as it has only the "B" black powder stamping.
Possibly, but I'd think the case would fail around the rim. The case in your photos has a split along the body, a split which looks suspiciously like the gap between the barrel and the extractor.Do you think the excessive head space could cause split casings