https://homemadeguns.wordpress.com/
Folks in America can do whatever the hell they like and can about guns, including takin' 'em away (by force), and those who want 'em will find a way.
As I said a long time back, in another thread: Pandora's armory opened its doors wide ages ago and those doors won't ever be shut again.
But, no worries: keep workin' the culture...with consistent effort, eventually 'gun' will be a dirty word, guns will inspire revulsion in any- and every-one, and only throwbacks will want them (and throwbacks will be segregated in 'preserves' away from all the decent folk...or, they'll be dead).
Huzzah! Huzzah! Utopia is just around the corner!