![FMJ Rounds FMJ Rounds](/images/jch-optimize/ng/images_cod-vanguard_attachments_cod-vanguard-attachments.webp)
The FMJ Rounds is a weapon attachment featured in Call of Duty: Vanguard and Call of Duty: Warzone.
A full metal jacket allows these rounds greatly increased penetration through surfaces.
- Attachment TypeAmmo Type Attachments in COD Vanguard and Warzone