The Thunderhead is a Weapon Blueprint featured in Call of Duty: Vanguard.
It is a Legendary SMG blueprint included in the Task Force One Pack, obtainable by purchasing the Ultimate Edition of Call of Duty Vanguard. This blueprint features Tracer Rounds.
Every Blueprint unlocked in COD Vanguard will be also playable COD Warzone later this year.
Thunderhead Blueprint Attachments:
How To Get the Thunderhead Blueprint:
To get the legendary Thunderhead Blueprint you need to purchase the Ultimate Edition of Call of Duty: Vanguard.