Find below weapon information for the .50 GS in Modern Warfare 2. This includes MW2 multiplayer camo challenges and MW2 zombies camo challenges. You can find .50 GS Military challenges, .50 GS Special challenges and .50 GS Mastery challenges, for Multiplayer and Zombies. You can also find weapon information and .50 GS weapon stats. Don't forget you can tap the cards to track your camo challenge progress!