Almost looks too long to me, what markings are on the bayo lug if any and what markings are on the stock anywhere at all?
Lastly how long is the band spring cut out?
Many countries used Mauser rifles over the years and some of them resemble WWII German stuff.
Don't have it yet. But for $35 figured I could use it for some Balkans used K98 barreled actions I have since it likely came from there. I am not suprised by the different variations I see even after 30+ years of collecting. Never say never. Here's a couple more of the action pics I adjusted to get a better look.
Correct, an ersatz replacement.
When it arrives, check it over for Cyrillic characters, small triangles & <> diamond-shapes.
Many that I've handled/owned feature irregular inletting, appears done by hand.