DICE has launched the Battlefield 3: Back to Karkand expansion for Xbox 360. The DLC arrives alongside a new gameplay trailer showing off the re-imagined Sharqi Peninsula map. The download introduces four new maps in total: Wake Island, Strike at Karkand, Gulf of Oman and Sharqi Peninsula.

It is 1200 MS Points but it’s free to owners of the Battlefield 3: Limited Edition.