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Call of Duty Modern Warfare 3 (MW3)

How to Unlock JAK Thumper-656

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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

How to Unlock JAK Thumper-656

Complete 5 Week 4 Challenges

Modern Warfare 3 - JAK Thumper-656 Challenges

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

JAK Thumper-656 Converted Gun

Conversion Kit for the RGL-80

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!

RGL-80 Best Loadout and Build

JAK Thumper-656 Stats

Pros and Cons

Pros Cons
Modern Warfare 3 - New Pro FunctionAccess to Ammunition
Modern Warfare 3 - Moderate ProAiming Idle Sway
Modern Warfare 3 - Major ConAim Down Sight Speed
Modern Warfare 3 - Moderate ConSprint to Fire Speed

Chevron count determines the effectivesness of the stat change while polygonal arrows indicate a new function being added.

Detailed Stat Adjustments

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

Modern Warfare 3 (MW3) Related Guides

Modern Warfare 3 - Attachments

List of All Attachments

Attachment Types in MW3

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

All Conversion Kits in MW3

All Related Attachments
Broodmother .45 Kit JAK Annihilator Bullpup Kit JAK Atlas Kit
JAK Backsaw Kit JAK Beholder Rifle Kit JAK Burnout
JAK Cataclysm JAK Deathmarch JAK Devastators
JAK Ettin Double Barrel Kit JAK Ferocity Carbine Kit JAK Gunslinger
JAK Harbinger Kit JAK Headhunter Carbine Conversion JAK Heretic Carbine Kit
JAK Jawbreaker JAK Maglift Kit JAK Nightshade Rifle Kit
JAK Outlaw-277 Kit JAK Patriot JAK Protean
JAK Raven Kit JAK Requiem JAK Revenger Kit
JAK Salvo JAK Scimitar Kit JAK Shadow Titan Kit
JAK Signal Burst JAK Thumper-656 JAK Thunder LMG Kit
JAK Tyrant 762 Kit JAK Volkh JAK Wardens (Model 1887)
JAK Widemouth Barrel MCW 6.8 Full-Auto Conversion Kit WSP Akimbo Brace Stock
XRK IP-V2 Conversion Kit

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Call of Duty Modern Warfare 3 (MW3) Walkthrough Team
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