What is this guide for?

Call of Duty 4: Modern Warfare is a very popular game with some really fast paced action. You will kill a lot and you will die a lot but in the end it all comes down to who is the best player and this guide is all about the being the best. To achieve greatness you will need to exploit some of the games most powerful weapons and perks and mix in some strategies. No one remembers second best so follow this guide and be prepared to be called a PRO or a HAXXOR by the people you just OWNED!