Schumer
has been making noise about it. I don't doubt they'll try.
What's worse is that this is an easything to scare moderates with.
I mean, who wouldn't want to ban plastic guns that people can sneak on planes in this post-911 world? 
Sometimes the rhetoric is more powerful than facts in public consciousness. If you have a Senator with an even mediocre record on the 2A, get in touch before he leaves for the holidays. This will be a hard one to fight.