The NRA Sporters were not modified service 1903's. They were built from new receivers as Sporters. It was intended for hunting and target shooting. The best way to get an estimate of value is to either show it to a person who is aware of what it is and can recognize any modifications, all of which decrease the value, or do a smart search on one of internet auctions and see what they have sold for, or what was bid on one. In the last couple of years I have bought them for as little as $800.00 and as much $3,000.00. The $800 one had considerable modification to the stock and showed wear on the metal. The $3,000.00 was about 90% finish with no modifications. One sold on gunauction.com this month for around $900.00. It was in beautiful condition but had extensive modifications to both wood and metal. Do not do anything to change it. I mean don't sand or clean the stock, don't remove any rust unless you know how to do it without removing any finish.
