gameterminal | New Halo 4 Audio- Return of the BR?! @GameTerminal | Uploaded February 2012 | Updated October 2024, 1 hour ago.
A new Halo 4 audio recording session, performed with military partnership, has been released by 343i.
Close observation of sounds and the Halo Bulletin of 2/23/12 indicates the triumphant return of old guns, including the BR (burst-fire can be heard) and the AR.

Please, if you can pick up anything else from the video, let us know in the comments!