User blog comment:JoeRamirez/Call of Duty Modern Warfare 3 Weapons Wishlist./@comment-67.6.16.177-20110407225115/@comment-1889554-20110410130348

^that would be the fictional MW2 version of the AT4.

The only two real life versions are the regular AT4 and the AT4-CQ. Neither of which can seek out targets.