You know, I may just try removing my forward ports and giving myself a moderate NAT. That just may be the ticket.
Hm.. fuck it I don't care anymore. Wanna win? Forget NAT leave it open. Forget DMZ leave it on UPnP if that's what you have already. I wasted weeks on that and redoing my connections and contemplated a better monitor or a wired controller. Forget headphones, Awareness perk, drop shotting, etc. Nothing worked. I'm always behind. Leave Search quality on Best. I played with extreme concentration and that didn't work.
Just stream a 1080p video while playing. If that's not enough stream 2. Go to Youtube set a filter for long videos.
Boom. You'll run circles around your enemies. Where you aim is where you hit. Your bullets will land on your opponent not to the left or right, and you'll get the shots around the corner and your spins in CQC will start first. You'll be the guy who they keep watching the Killcam and Theater about. Your shots will land where they belong, like magic. You don't need to drop it to 1 bar. It'll still show 4, possibly 3. As an added bonus you'll never get host.
Do it before every match.
The fuckin game is broken. If you're anything like me you'll realize its not even worth playing competitive games anymore. MW2 worked normally but nothing since. Fuck CoD and fuck Activision. Your shit makes more than Quake and Unreal ever did combined and it makes it annually. Bring back dedicated servers. Leave matchmaking where it belongs. Coop games and fighting games (1on1).