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The JAK Thumper-656 is an Aftermarket Parts Conversion Kit for the RGL-80 in Call of Duty Modern Warfare 3 (MW3). Check out our guide to learn how to unlock the JAK Thumper-656, its detailed stats breakdown, and its converted weapon.
List of Contents
Players can get the JAK Thumper-656 by completing 5 Week 4 Challenges in MW3 Multiplayer or Zombies. The JAK Thumper-656 will be added to your available attachments once you have 5 completed challenges from one of game modes.
List of All Weekly Challenges and Rewards
The JAK Thumper-656 is a full conversion kit for the RGL-80 Launcher. It allows you to switch between different grenade types, namely the 40mm Slug, 40mm Sticky, and 40mm Drill Charge.
This allows for players to be more versatile while using this deadly grenade launcher!
| Pros | Cons |
|---|---|
 Access to Ammunition Aiming Idle Sway |
 Aim Down Sight Speed Sprint to Fire Speed |
Chevron count determines the effectivesness of the stat change while polygonal arrows indicate a new function being added.
| Damage | |
|---|---|
| Target Flinch | 1.0 N |
| Range | |
| Effective Damage Range | 381.0m |
| Minimum Damage Range | 406.4m |
| Fire Rate | |
| Rate of Fire | 88.9 rpm |
| Recoil Control | |
| Recoil Gun Kick | 19.30 degree/s |
| Accuracy | |
| Flinch Resistance | 0.05 N |
| Mobility | |
| Movement Speed | 4.4 m/s |
| Crouch Movement Speed | 2.0 m/s |
| Sprint Speed | 5.3 m/s |
| Tactical Sprint Speed | 6.5 m/s |
| ADS Movement Speed | 1.3 m/s |
| Handling | |
| ADS Speed | 310.0 ms |
| Reload Quickness | 5.9 s |
| Sprint to Fire Speed | 425.0 ms |
| Swap Speed | 1833.0 ms |
| 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 | |||
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