j3101808 August 2013 Arbys M4 Acog Left 4 Dead 2 10 Pros: ACOG + front sight are awesome!(my taste) No front grip. No camo. M4A1 RIS is best! Cons: None. Conclusion: Can you replace the ACOG with EOTech 552? it may give other players more choice. But the ACOG version is epic!
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