>>515499957
>German asking Americans about Mauser rifles
This world sucks.
Anyway, I assume it had a replacement barrel (better accuracy than a worn-out original), and if so, not hard at all, especially with a scope.
If it was an original mauser with iron sights and original barrel then reasonably difficult (not bad with practice, but someone without practice would probably miss since the iron sights are sighted weirdly compared to modern firearms and the MOA/accuracy of the rifle itself would be mediocre)
>picrel, original mauser sights would hit the center of the bullseye when sighted in like the left-most diagram.