CMMG Mk4 5.7X28mm Resolute Upper Group Receiver 16.1in Tungsten 57B40E4-TNG. 7x28mm have become a big thing in the last few years and if youre looking for PDW ballistics and the classic style and balance of a carbine then youre in luck. Combine this...

In stock
  • ShipAmount
  • $0.00
  • RevType
  • 2
  • Manufacturer
  • CMMG
  • Sku
  • 57B40E4TNG
  • Identity
  • 21836663204

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