cal: .30, semi-auto, sn: 1738091, from Mr. Davis's records: I purchased this rifle from Don Copple in July 1979. I traded a National Ordnance M1 and paid $300 cash for this rifle. The rifle has a Rock Island Arsenal stock and the correct sling,, NOTE: There is a $25 transfer fee per firearm for transfer and/or processing payable to Gun World, whether the firearm is picked up or shipped