Was playing a lockers server this morning and ran across a player xAurom. Definitely cheating. Using a RAWR and M32 MGL which don't exist on a lockers map.
The battlelog report tells the story: http://battlelog.battlefield.com/bf4/battlereport/show/1/1063776662291398080/821105347/
Here's video, too: https://youtu.be/bQtGKU9JM5Y
Thanks,
bhutchins 1a - whendarknessfalls.org (WDF Gaming) BF4 admin