User blog comment:Callofduty4/Black Ops II Multiplayer Reveal released!/@comment-50.128.196.58-20120808065838

The 'Raging Judge' revolver at 1:15 may have been firing shotgun shells (its capable of doing so in real-life):

http://www.taurususa.com/product-details.cfm?id=702&category=Revolver&breadcrumbseries