The Modern Warfare 3 aftermarket parts collection continues to evolve with the addition of the JAK Glassless Optic.

The new attachment is locked by default, therefore, let us walk you through how to unlock JAK Glassless Optic aftermarket attachment in the game.

How to unlock JAK Glassless Optic Aftermarket attachment in MW3 and Warzone

How to unlock MW3 Jak Glassless Optic
Screenshot by Tarun Sayal/ONE Esports

The JAK Glassless Optic offers a crisp and clear dot sight picture, making it easy for you to take down your targets.

Unlocking the JAK Glassless Optic aftermarket attachment is relatively easy. All you need to do is complete any five challenges from Week 4 in Modern Warfare 3 and Warzone Season 2.

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Thankfully, you can accomplish these tasks in any mode, so here’s the complete list of all the Week 4 challenges:

MW3 Multiplayer Week 4 challenges

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  • Get 20 Operator Akimbo Kills with a Recommended Weapon – 2500 XP
  • Get 30 Operator Kills with Alternate Ammo Equipped to a Recommended Assault Rifle – 5000 XP
  • Get seven Operator Close Call Kills with No Attachments Equipped to a Recommended Weapon – 5000 XP
  • Get 20 Operator Tac Stance Kills with Recommended Assault Rifles – 5000 XP
  • Get 15 Operator Clean Kills with a Suppressed Recommended LMG – 7500 XP
  • Get three Operator Triple Kills with Recommended Battle Rifles – 7500 XP
  • Get three Operator Kills with one Magazine five Times with Recommended Assault Rifles – 10000 XP
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MW3 Zombies Week 4 challenges

  • Get 100 Kills with a Recommended LMG with Toxic Damage – 2500 XP
  • Get 10 Mercenary Sargeant Kills with a Recommended LMG – 5000 XP
  • Get 20 Kills with a Recommended LMG without Reloading 10 times – 5000 XP
  • Get 250 Kills with a Recommended Assault Rifle while Speedcola is Active – 5000 XP
  • Get 100 Kills with a Recommended Battle Rifle – 7500 XP
  • Get 300 Kills with Pack-A-Punched Recommended LMG – 7500 XP
  • Get 200 Kills with an Akimbo Recommended Weapon – 10000 XP

Warzone Battle Royale Week 4 challenges

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  • In Warzone Urzikstan, open 20 loot caches In the North-West Region (Resort, Power, Seaport, Cargo) – 5000 XP
  • In Warzone Urzikstan, open 20 loot caches In the Eastern Region (Military Base or Farms) – 7500 XP
  • In Warzone Urzikstan, open 20 loot caches In the Southern Region (City, Suburbs, Manor) – 5000 XP
  • In Warzone Urzikstan, open 20 Loot Caches in the Central Region (Old Town, Low Town) – 7500 XP
  • In Warzone, place in the top 10 five times – 10,000 XP
  • In Warzone, complete 15 contracts – 5000 XP
  • In Warzone, get 40 Operator Kills or Kill Assists with a Recommended Weapon – 2,500 XP
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Once you complete any five challenges from the aforementioned lists, the game will automatically reward you with the JAK Glassless Optic attachment.

After that, you can head to the Gunsmith section to customize your weapon loadout and equip this brand-new aftermarket part.

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