Bought the rifle today. Its actually SN 676,XXX by Springfield Armory. BBl date is in fact 6-42. All parts that are marked are marked SA as well. At some point someone puta laminated handguards and a muzzle break on and spray painted it black with an oil based spray paint. I was not interested at first but after looking at the finish below the spray paint in a covered ared the finish below was still really nice. It may have acted as a preserative? Any way any suggestions on how to safley remove this finish?

Thanks,
Matt