The FSS Spectre Microtherm is an Optic of CoD MW3 (2023) Attachments. See how to get / unlock FSS Spectre Microtherm in Call of Duty Modern Warfare 3 (2023).
Table of Contents
This page is based on the information available in the beta. It will be updated after the full game is released.
FSS Spectre Microtherm - How To Unlock

How to Unlock FSS Spectre Microtherm
 AMR9 | Leveling the AMR9 to Level 19 | 
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Compatible Weapons With FSS Spectre Microtherm
 SVA 545 | ASSAULT RIFLE | 
|---|---|
 MTZ-556 | ASSAULT RIFLE | 
 MCW | ASSAULT RIFLE | 
 MTZ-762 | BATTLE RIFLE | 
 BAS-B | BATTLE RIFLE | 
 Rival-9 | SMG | 
 AMR9 | SMG | 
 Striker | SMG | 
 Riveter | SHOTGUN | 
 Lockwood 680 | SHOTGUN | 
 Holger 26 | LMG | 
 Pulemyot 762 | LMG | 
 MTZ Interceptor | MARKSMAN RIFLE | 
 MCW 6.8 | MARKSMAN RIFLE | 
 Longbow | SNIPER RIFLE | 
 KV Inhibitor | SNIPER RIFLE | 
 Pulemyot 762B Bullpup Conversion Kit | CONVERSION KIT | 
 JAK Ferocity Carbine Kit | CONVERSION KIT | 
CoD: MW3 Related Guide
Best & Tier List
Weapon Related Guide
| Guns & Weapons Tracker | Armory Unlocks & Challenges | 
| Fast Leveling of Guns | How To Get Akimbo Guns | 
| What Is Cooked Grenade In Daily Challenge? | Weapon Rarity Explained |