My question is. Do you realy need a lvl 50 char for this?
My highest is a 43 commando at the moment and because Im a RP'er I dont feel like playing all the way to 50 before I can get him. Id like to get him now and play the rest of my story with HK at my side.
You do need to be level 50 because SectionX is a level 50 area (and the missions).
Once you have him, you can unlock him on your legacy for your other characters.