Aimbot + DMG mod.  44%HS with ACR12 doing 52% kills/hit.  43% with AK5c doing 54% kills/hit.  http://prntscr.com/g3t60i

40:8, a shortage of weapons and vehicles used: http://battlelog.battlefield.com/bf4/battlereport/show/1/893036053714856640/1875685971/

76:16, 50% kills/hit mostly with ACW-R: http://battlelog.battlefield.com/bf4/battlereport/show/1/893042615149816512/1875685971/