The list of guns to ban is pure propaganda. Most assault weapons bans (1994 federal, and various state bans) do the same thing, and it's disgusting. People hear "AR-15" and connect it with some of these recent shootings. If she'd left out the list of specific gun models, it would cause people to have to think about the wisdom of banning guns by cosmetics. The last thing the gun banners want is for anyone to think carefully about the wisdom of banning guns by cosmetic features.
“The egg hatched...” “...the egg hatched... and a hundred baby spiders came out...” (blade runner)
“Who are you?” “A friend. I'm here to prevent you from making a mistake.” “You have no idea what I'm doing here, friend.” “In specific terms, no, but I swore an oath to protect the world...” (continuum)
“It's a goal you won't understand until later. Your job is to make sure he doesn't achieve the goal.” (bsg)