rem58sport

Yes, it has a wealth of information. I was just focused on the S/N issue and that it wouldn't say anything specific about S/N #####...

Yes....but it does list other characteristics such as sights, barrel crown, imprints on the sling loops, changes in hardware that help...

Take a look over on the rimfirecentral site for Rugers sub suction. Lots of info there. https://www.rimfirecentral.com/