Something you can do today to spread freedom is to train someone how to use a firearm. You could also go to gun shows and buy guns and ammo to give away as gifts to as many Americans as you can.
Banning guns won't be easy if everyone is a gunowner.
One reason Americans are tolerating tyranny now is that they have food, AC, and beer. Once the US Ponzi economy pops and people are starving in the street, Civil War 2.0 could start.
Time is running out.