User blog comment:Damac1214/Update: Confirmed Fake: Orientation DLC supposedly leaked for Black Ops 2/@comment-356904-20130218180006/@comment-356904-20130218212435

Since we know it's fake, it's neither, but since the G28 is a DMR and the pictured image is fitted with a Sniper Scope I'd say it'd be a Sniper Rifle.