My brother does Duracoat, and it's pretty easy. He sez you gotta make sure you do the metal preparation right though...if you leave a finger print on it, it's gonna show in the finished gun.
He's done a couple for me, Vietnam tiger stripe camo on an Uzi carbine...my camera batteries are dead. I sent him a email asking if he still has pics...if he does I'll post em'.
Here's a job he did on one of his AR's: