It only took four tries, and a week, but they finally accepted one from me.

Regulations.gov claims…

Posted by the Alcohol, Tobacco, Firearms, and Explosives Bureau on Sep 15, 2023

…but I happened to check on the 15th, and it was not found.

Between my personal commenting and TZP’s, we only have a 42.9% success rate in getting the ATF to accept comments.