This includes TiN (gold), Rose, Melonite and Nickel(not chrome).
 
The barrel in the first photo is TiN. (2-3 week turnaround.) 
The barrel in the second photo is Rose. (2-3 week turnaround.)
 
If ordered with slide work, the barrel will usually be ready before the slide is ready. It is not an additional 2-3 weeks.