I'm going to guess it's the silver laced Wyandotte based on pattern but I'm also going to mention that I'm not sure your barred rock is actually a barred rock. He looks like a black sex link to me. Im not sure where you're located and I believe in the UK they accept single barred males because...
He's a cockerel, but just for the record both sexes have saddle feathers, it's the shape, texture and coloring that differs. Also those aren't male sex-specific saddle feathers yet, but from the looks of things he'll be getting them soon. He probably has his nice shiny thin ones coming in as pin...
That's not really the "rust red' that people refer to for cockerels. That's more of a dull brown color. The cockerel red is a lot deeper and closer to a deep reddish orange color.