alt Hacker News> Could probably create exceptions for bullets used at the gun range, so you can become proficient and safe.
Amusing to imagine the red diesel of sport shooting - better hope the tax authority doesn't find any combustion-proof dye on the self-defense shell casings!
To be honest I was thinking more along the lines of you either store ammo at the range, with a checkin/checkout process, or you can receive a tax receipt for number of spent casings.