HR6.8 Barrel Attachment Guide

The HR6.8 Barrel attachment in Call of Duty: Modern Warfare 2 and Warzone 2 is Weapons Platform Specific. In other words, this weapon barrel is exclusive to a particular family of weapons.

How to Get the HR6.8 Barrel

To unlock the HR6.8 Barrel attachment in Call of Duty: Warzone 2.0, you need to upgrade the Cronen Squall to Level 2.