★ Free Flawless Crystal and Legendary Tool
☆ S3 Reloaded New Gun: BAL-27 Best Loadout
★ S3 Reloaded New Dark Aether Easter Egg Keys
☆ Zombies Map | Dark Aether Interactive Map
★ Rarity vs Pack-a-Punch Damage Chart
☆ Camo Tracker | New One Trick Camo
The Echoline GS-X is a gun attachment found under the Muzzles attachment category of Modern Warfare 3 (MW3). Check out our guide to learn how to unlock the Echoline GS-X and find out all compatible guns for this attachment!
List of Contents
The Echoline GS-X attachment can be unlocked by leveling up the following guns in MW3 multiplayer, Zombies, or Warzone:
 Attention! |
This section is under construction! Check back soon as we update this page with MW3 unlock info for this attachment. |
Alternatively, players who have reached Account Level 25 can opt to complete Armory Unlock challenges to get the Echoline GS-X attachment, early.
Once you unlock this feature, modify your chosen gun at the Gunsmith and select the Echoline GS-X from the Muzzle attachment slot of your weapon. This should activate its Armory Unlock contract, allowing you to complete Daily and Bonus Challenges to get it earlier.
| Guns That Can Use the Attachment | ||
|---|---|---|
 Kastov-74u
|
 Kastov 545
|
 Kastov 762
|
 M4
|
 M16
|
 TAQ-56
|
 STB 556
|
 ISO Hemlock
|
 Chimera
|
 M13B
|
 Tempus Razorback
|
 M13C
|
 FR Avancer
|
 TR-76 Geist
|
 Lachmann-556
|
 SO-14
|
 TAQ-V
|
 Lachmann-762
|
 Cronen Squall
|
 SAKIN MG38
|
 HCR 56
|
 556 Icarus
|
 RPK
|
 EBR-14
|
 SP-R 208
|
 LM-S
|
 TAQ-M
|
 Tempus Torrent
|
 SA-B 50
|
|
| Attachments By Type | |||
|---|---|---|---|
| Barrel | Stock | Ammunition | Muzzle |
| Rear Grip | Optic | Underbarrel | Magazine |
| Receiver | Laser | Comb | Trigger Action |
| Guard | Bolt | Arm | Rail |
| Carry Handle | Lever | Loader | Wire |
| Conversion Kit | |||
| Best MW3 Muzzles |
|---|
| This list is under construction! |
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