I did this with 20-0 with in 41 seconds but my recording software stopped about half way :( but yeah..
For my first win i got a 20 killstreak in 41 seconds f5 no pants :D NO JOKE IM NOT LYING I SWEAR MY WHOLE LIFE (forgot to record it though :/) I was crying when i forgot to record (not actaully crying but) I was sad. :(