The official Kara no Kyoukai website has revealed the release date for the dvd release of the 4th and 5th movies. Kara no Kyoukai 4: Garan no Dou
will be out on December 17th while Kara no Kyoukai 5: Mujun Rasen
will be released on January 28th. Both will be released as a limited edition and regular edition. The limited editions will come with a bonus soundtrack CD.
Source: Official Website