Reseting Account

Can i reset my account ON MW2? I mean, downgread my character? I wan 1 lvl (without presteage), 0 chalenges etc...

http://www.mpgh.net/forum/191-call-d...nk-lv-1-a.html
Search is your friend, but that should do it.

Thanks!
I think it be works ;d
And... sorry for don't searching by me