Time to get back to the future of the Call of Duty franchise. Here is how to get the JAK Glassless “Advanced Warfare” Optic Kit in Modern Warfare 3. Modern Warfare 3: How to get JAK Glassless Optic Kit If you are a bit nostalgic‚ then you will recognize this optic attachment from the days of Advanced Warfare. This Week’s bounty in Modern Warfare 3 is the JAK Glassless Optic Kit‚ and to be honest with you‚ it looks absolutely stunning. Like every other Weekly reward‚ you will first have to complete a total of 5 Weekly Challenges that span across Multiplayer‚ Zombies‚ and Battle Royale. Feel free to take a look at the list below so you can choose which of the following Challenges will fit your playstyle and favorite mode. MW3 Season 2 Week 4 Multiplayer Weekly Challenges Weekly ChallengeRewardGet 20 Operator Akimbo Kills with a Recommended Weapon2500 XPGet 30 Operator Kills with Alternate Ammo Equipped to a Recommended Assault Rifle5000 XPGet 7 Operator Clos...