What Is The Best Shooting Game On Pc With Online Feature?

i am thinking in the catergory of battlefield and call of duty etc.
which is the best out of them type with online feature, i am mainly thinking of online gameplay. I am not that really bothered with single player.
i wouldnt mind if its bad single player but amazing online play.
But take everything into account.

Tagged as: best, feature, game, online, Shooting, What, with