First of all run this Weapons unlocker.Then Enter your XBL
username.now Click on Unlock all weapons.you will see it will try to get
the connect with Ea servers.After some time.It will unlock ur all
weapons.Make sure your game is running. For download this file Click Button below:
For XBOX,PS3!! Step 1: Download File and UnRar Step 2: Load it Onto a Memory stick Step 3: Put it onto your PS3 or XBOX or WII (For PC Just Save it in Savegame Folder)