Thank you all for the thoughtful responses. One thing I've noticed is that nearly everyone has developed a system, but no two systems are alike. Some rely on notebooks and folders, others on spreadsheets, and some have decades of records spread across boxes, filing cabinets, and computers.
What has surprised me most is how much of the value is in the story behind the firearm—not just the gun itself. Hunting histories, repair records, factory letters, photographs, inherited pieces, and even the memories associated with them all become part of the provenance.
Many of the comments here touch on exactly the challenge that led me to start building Armur (
https://armur.org). I wanted a way to keep photographs, documents, maintenance records, ownership history, and personal notes tied to a specific firearm so that information could remain together and be passed on to family or future owners.
The feedback in this thread has been extremely helpful, and several of the ideas mentioned here are things I had not considered. If anyone would like to see what I've built or offer additional feedback, I'd be happy to share more details privately.
Thank you again for the discussion.