Christopher Cousins and Giancarlo Esposito have both appeared in Breaking Bad (2008).
We lived in an electric world. We relied on it for everything. And then the power went out. Everything stopped working. We weren't prepared. Fear and confusion lead to panic. The lucky ones made it out of the cities. The government collapsed. ...
Early on in season one they establish that modern firearms are almost never used because it is impossible to produce ammuniton for them. By season two this concept is discarded and the characters routinely use automatic weapons.