The only data I have found for the Contender is 28 grains of Reloader 7 and a 125 NBT. This is the "factory" load from CNC Cartridge, at about 2300 fps.
I'd have to ask Mike, we talked about it a while back but he's loaded me with so much info my brain locked up.
_________________________
I won't be wronged. I won't be insulted. I won't be laid a-hand on. I don't do these things to other people, and I require the same from them.- John Wayne http://www.dixiefirearms.net