If the weapon in question has no import markings it could be a rare find. Alot of Vet bring backs from WW2. Check under the front of the barrel for an import stamp. K98 stocks are cheap and plentiful right now. You could find the correct type stock very easy online. IE, cupped, flat, Hardwood or laminate....
Send in some pictures for US to look at and I can tell you what it needs. If all else fails I am sure you could trade if for a Sporter or sell it here for cash.