[BugsJustFindMe]

None of them would want ICE to have that information.

And that's even ignoring for the moment the fact that things which are obvious weapons and things which are not obvious weapons pose different fundamental risks to society and that therefore it's always a stretch to lump them into the same category.

[CodeWriter23]

Ahem, you misspelled completely legal-to-own weapons. Whereas ICE is tracking illegal immigration activity.

[BugsJustFindMe]

If your objection to registering ammo purchases is that they are legal to own, well, I will remind you that so are credit cards.