They are excluded from the ban, did you not read the link I posted?
JMT posted the quote from the link. They’re exempt “until a suitable replacement can be found“. I’m not a big fan of that, but because there was probably no consultation with indigenous groups, this is the way it had to be, otherwise it would be overturned by the courts.
Hopefully, they will actually do the work, the consultations and get them suitable (legal) replacements if needed. But the odds are very slim that any indigenous hunter is even using one of these rifles to hunt.
Plus, they are now banned for sale and import, so no one will be getting a new one.