- "An active duty reflex sight from Corio Tactical. Features an auto-illuminated reticle and a large lens."
- — Description
The Corio RE-X Pro is an optical attachment featured in Call of Duty: Modern Warfare III and Modern Warfare III. It is available after getting the .50 GS to level 4 in Modern Warfare II or getting the Haymaker to level 6 or through Armory Unlocks in Modern Warfare III. It can be put on all weapons that can accept attachments.
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