It's not a muscle-up. It is a front uprise.
http://www.drillsandskills.com/video...ath=ria005.mpg
Yet another example of CF trying to take something that has already been "invented" and re-name it to make it their own.
I don't know how anyone would hold a false grip through the bottom swing of that, nor what benefit a false grip would have in a move of such momentum out of the bottom...