37 Base MW3 Weapons and all Attachments unlock;
Golden Enigma, Zircon Scale, and Serpentinite Camos for every Weapon (unless only specific weapons are selected);
All Field Upgrades and Killstreaks unlock.
Complete a total of 37 Zircon Camo challenges for MWIII weapons.
Complete the Serpentinite Camo Challenge: Usually, a set number of Special or Elite Zombie Kills with the weapon.

Requirements
1. Call of Duty: Modern Warfare III Purchased on your Account.
2. This service is for Zombies mode only. It does not include any DLC or seasonal weapons.