http://battlelog.battlefield.com/bf4/battlereport/show/1/1050542372570713600/1003439630346/

damage mod. just played against him and he used it blatantly and then used xm-25 to up his hits and make the battle report not look fishy. luckily this BR should be good enough.

bonus video (blatant but not enough to be real evidence):
https://www.youtube.com/watch?v=hrxRolPUroI