for me i perfer the knife its so easy if they got a mg then u just zig zag towards them then when they reload slit there throat i do it alot. hell i miss a few times and they still do hear the sound effect.
heres 1 tip go in building then when they pass the building come up from behing then slit em. i think i scared the shit out of someone useing it i stalked him for 30 secounds and decided to camp i run from the conner slit lol im makeing a new profile called mr knife. lol