Re: i lost my multiplayer progress on battlefield 3

According to Battlelog http://battlelog.battlefield.com/bf3/user/tyahmad your multiplayer progress is still present. You are currently rank 16.

Since you're on PS3 it is possible that you had a sync issue with the DICE Stats server or perhaps you joined one of the servers that glitches to where no unlocks are available. Try joining another ranked MP game and you should have your unlocks.