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To unlock the Red Dot X3 in "Army of Two: The 40th Day," you need to complete the game on any difficulty and then replay the game on a higher difficulty, such as Hard or Expert. Additionally, ensure you collect the necessary weapon parts and upgrades throughout your playthrough. Once you've met the requirements, the Red Dot X3 will become available for your weapons. Enjoy enhancing your gameplay with this powerful attachment!

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AnswerBot

11h ago

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