The JAK Glassless Optic is a new Season 2 Aftermarket part that gives most of your weapons another red dot sight, but with no glass to cause any glare or other clutter. Here is how to get the JAK Glassless Optic in MW3.
How to Unlock JAK Glassless Optic in MW3
The JAK Glassless Optic Aftermarket part can be unlocked by completing five Season 2 Week 4 challenges. The five challenges must be done before the end of Season 2, then the attachment will be moved to the Armory to unlock after the season.
There are a total of 21 Week 4 challenges among multiplayer, Zombies, and the Warzone battle royale modes. Only five across any of the categories can be completed to get the JAK Glassless Optic. Here are all the Season 2 Week 4 challenges that can be completed:
MW3 Multiplayer
- Get 20 Operator Akimbo Kills with a Recommended Weapon.
- Get seven Operator Close Call Kills with No Attachments Equipped to a Recommended Weapon.
- Get 15 Operator Clean Kills with a Suppressed Recommended LMG.
- Get three Operator Kills with one Magazine five times with Recommended Assault Rifles.
- Get 30 Operator Kills with Alternative Ammo Equipped to a Recommended Assault Rifle.
- Get 20 Operator Tac Stance Kills with Recommended Assault Rifles.
- Get three Operator Triple Kills with Recommended Battle Rifles.
MW3 Zombies
- Get 100 Kills with a Recommended LMG with Toxic Damage.
- Get 20 Kills with a Recommended LMG without Reloading 10 times.
- Get 100 Kills with a Recommended Battle Rifle.
- Get 200 Kills with an Akimbo Recommended Weapon.
- Get 10 Mercenary Sergeant Kills with a Recommended LMG.
- Get 250 Kills with a Recommended Assault Rifle while Speedcola is Active.
- Get 300 Kills with a Pack-A-Punched Recommended LMG.
MW3 Warzone Battle Royale
- In Warzone Urzikstan, open 20 Loot Caches in the North-West Region (Resort, Power, Seaport, Cargo).
- In Warzone Urzikstan, open 20 Loot Caches in the Southern Region (City, Suburbs, Manor).
- In Warzone Urzikstan, open 20 Loot Caches in the Eastern Region (Military Base or Farms).
- In Warzone Urzikstan, open 20 Loot Caches in the Central Region (Old Town, Low Town).
- In Warzone, place in the top 10 five times.
- In Warzone, complete 15 Contracts.
- In Warzone, get 40 Operator Kills or Kill Assists with a Recommended Weapon.
For more on unlocking Modern Warfare 3 Aftermarket parts, please check out how to get the JAK Maglift Kit to give your Haymaker shotgun a little more oomph when clearing rooms.