CMMG

UPPER GROUP, RIFLE, Mk4, 5.56MM, 16", Armor Black

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SKU:
55BC761-AB-CM
UPC:
810148627560
Weight:
5.00 LBS

Whether you're finishing a new build or just want to swap uppers on your current AR15 lower group for a 5.56mm range day, this Upper Group is a trusty choice for all shooters. 

 

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