This might help narrow it down a bit.
https://www.pmulcahy.com/bolt-action_sporting_rifles/german_ba_spr_k.htmOr try a Google image search for Krico 22 rifle and see if any match yours.
Bruce
Pretty nice. No noticeable plastic, except maybe the buttplate. Lucky you.
Nice little rifle. Perhaps a model 300? It looks very similar and the serial # is close to this one.
https://auctionet.com/en/1480708-krico-22lr-393349
That is very useful information, thanks for posting it.