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Heavy Barrel is a Barrel attachment in Call of Duty Black Ops 6 (BO6). Read on to learn how to unlock Heavy Barrel, as well as its compatible guns, attachment info, and stats.
List of Contents
To unlock the Heavy Barrel attachment, level up its compatible guns (shown below) in either Multiplayer or Zombies.
| Gun | Gun Type | How to Unlock |
|---|---|---|
 Marine SP
|
Shotgun | Raise the Marine SP to Level 24. |
| Heavy Barrel Overview | |
|---|---|
| Type | Barrel |
| Pros |  Vertical Recoil ControlMagazine Ammo Capacity |
| Cons | None |
| Attachment Description | |
| Heavy barrel with an extended tube improves shell capacity and vertical recoil control. | |
| Attachments by Type | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Barrels | Combs | Fire Mods | Lasers | ||||||||
| Magazines | Muzzles | Optics | Rear Grips | ||||||||
| Stocks | Stock Pads | Underbarrels | |||||||||
| CHF Barrel | Combat Barrel | Gain-Twist Barrel |
| Heavy Barrel | Integrated Suppressor Barrel | Long Barrel |
| Quick Load Barrel | Reinforced Barrel | Short Barrel |
| Suppressed CHF Barrel | Suppressed Gain-Twist Barrel | Suppressed Long Barrel |
| Suppressed Reinforced Barrel | - | - |
How to Unlock Heavy Barrel
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