New Owner (again)

Had a 9 mm Luger in another lifetime when I was stationed in Germany. Don't want to go into all the details of how I lost it. Just bought a .22 cal Stoeger Luger at a local gun show. How can I trace the history of this particular weapon, find current replacement parts/prices, etc.? The original parts list that is with the gun has prices which make me think it's pretty old. Also, the serial number is rather small: #58377. Any Help?