The biggest difference is that in Modern Warfare 2, weapons are divided into families known as Weapon Platforms.
Each Weapon Platform is made up of a few different weapons.
Then you could earn experience withthoseguns to earn even later guns in that family of weapons.
This allows you to more easily customise weapons on the fly in Modern Warfare 2.
Hone in on specific gun classes with our guides on thebest SMGandbest Assault Rifle in Modern Warfare 2.
