Brace LS Attachment Guide
The Brace LS attachment in Call of Duty: Modern Warfare 2 and Warzone 2 is Weapons Platform Specific. In other words, this rear grip is exclusive to a particular family of weapons.
How to Get the Brace LS
To unlock the Brace LS attachment in Call of Duty: Warzone 2.0, you need to upgrade the KV Broadside to Level 19.