From The Truth About Guns:

Bills like this are just an attempt by Senators who aren’t doing anything important to pretend that they’re bringing something to the table. They don’t actually accomplish anything, except for criminalizing a generally harmless and constitutionally-protected activity. Considering most of the firearms being seized are tied to the drug trade and other organized crime, it would probably be a better use of Dick and Liz’s time to figure out how to economically disincentivize activities that are already unlawful instead of making criminals out of people who aren’t harming anyone. You can read more, and take action against this garbage campaign here.