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The subject of this article appears in Call of Duty: Modern Warfare III The subject of this article appeared in Zombies mode The subject of this article appears in Call of Duty: Warzone 2

"A micro-thermal optic from FSS designed for heat signature acquisition."
— Description

The FSS Spectre Microtherm is an optical attachment featured in Call of Duty: Modern Warfare III. It is available after getting the AMR9 to level 19 or through Armory Unlock. It can be put on all weapons that can accept attachments.

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