I overheard on the radio, or maybe it was 9news, that the CO AG released a letter of what he interprets...
It's pretty long, but in short, one of the big important things I took away from it is that if you have a 15-rounder, it's okay, forget the "may be extended", they'll only prosecute if you actually do extend it.
https://www.coloradoattorneygeneral....gazine_ban.pdf

