User blog comment:JoeRamirez/Call of Duty Modern Warfare 3 Weapons Wishlist./@comment-86.176.231.212-20110721050052/@comment-3361508-20110721174315

If you use a GRENADE LAUNCHER (Not that stupid noob tube name) tactically, like to take a group of enemies off a Domination flag or to kill a defuser/planter on Demolition. So Pro Pipe = using it to help your team win.