The Chiron is a Weapon Blueprint available in Call of Duty: Modern Warfare 3 (2022) and Call of Duty: Warzone 2.
It is a blueprint variant of the base weapon Kastov-74u, one of the Assault Rifles featured in Call of Duty Modern Warfare 3.
You can find all the attachments for the Modern Warfare 3 and Warzone 2 Chiron Blueprint listed below.
Here are the attachments for the Chiron Blueprint featured in Call of Duty: Modern Warfare 3 and Call of Duty: Warzone 2.
You can build your own Chiron weapon Blueprint by adding these attachments on a base in the Gunsmith menu.
To unlock the Chiron Blueprint in COD Modern Warfare 3 and Warzone 2 you need to reach Sector A16 of the Season 1 Battle Pass.