I've only known this number to be entered if there has been an occurrence involving the firearm, eg it's been stolen.
The problem is with the admin per adding the number in a text document, not in a method that is able to be searched.
As far as I am aware, there is no database of firearms.
I'm not really sure how I would feel if there was - to be honest I would probably get over it pretty quick even if my initial reaction was a bit pissy. As an honest owner, I'm not sure how it would actually negatively effect me other than if such a database was leaked. Which is kind of the exact situation now anyway as my current address is listed along with the fact that I have a FAL and you could draw your own conclusions surrounding my possessions. Search Facebook for more than two seconds and you'll soon see what gear I own anyway.
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