Part of the new Blue Diamond set. Unmarked in international CF version
Pros: -Blue Diamond skin finish -35 rounds mag, better accuracy
Cons: -Black Market merchandise
NOTE: This video is a copy of the one on my personal channel https://www.youtube.com/user/RsAOfAnt - I own both, so I didn't steal anything from RsA
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M4A1-S Blue Diamond World China Overview Type Assault Rifle Manufacturer Colt Defense Origin USA...