I would recommend slugging the bore, it may be shot out and it may have even been rechambered for 30-06 or 8mm mauser as these are much more common hunting rounds and were very easily available in the 50s and 60s when these rifles were literally $5 at your local sears.
all guns lost in a tragic smelting accident.
I never said half the crap people said I did-Albert Einstein
You can't believe everything you read on the internet-Benjamin Franklin
Bean counters told me I couldn't fire a man for being in a wheelchair, did it anyway. Ramps are expensive.-Cave Johnson.