CMMG Mk4 5.56X45mm NATO Resolute Upper Group Receiver 16.1in Tungsten 55BC7C3-TNG. 5 this is the shortest 5.56mm upper group CMMG offers. Great for anyone looking to build an ultra-compact AR15 thats lightweight and perfectly sized to go anywhere. This...

In stock
  • ShipAmount
  • $0.00
  • RevType
  • 2
  • Manufacturer
  • CMMG
  • Sku
  • 55BC7C3TNG
  • Identity
  • 21836663192

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