They are already precluded from legal firearms purchases. A valid picture ID with confirmed address is required when filling out a 4474, and it’s nearly impossible for an inner city minority to get one, which is why we are the only country in the world to not require a picture ID when voting.
Problem solved.
Hmmm...last time I checked, nondriver picture ID is anyone’s for the asking if they can get to DMV or county offices.
Of course, it’s wacist to expect potential voters to produce photo ID. Makes it easier for Musloid invaders to vote, too.