Apparently you can now buy ammo from a vending machine soon.

https://edition.cnn.com/2024/07/12/us/vending-machines-ammunition-alabama-texas-oklahoma/index.html

It'll cost you money, your biometrics and a copy of your ID. No details on data retention and shring, but I expect buying patterns will be much more closely monitored than going into a gun store and flashing an ID and handing over some cash.