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CMMG Mk4 T Upper Receiver Group 5.56MM NATO 16" 55B5949


  • $749.95
  • Save $100

This complete upper receiver is designed to connect seamlessly with your existing AR-15 or AR-15 pattern lower receiver. For your convenience, a bolt carrier group is included and everything on this complete unit features a matte black finish.

Features and Specifications:
  • 5.56mm NATO (accepts .223 Remington) 
  • 16" 416 stainless steel medium taper profile
  • Threaded 1/2x28
  • RKM14 KeyMod hand guard
  • Forged 7075-T6 Aluminum M4 Type Upper
  • CMMG SV brake
  • Bolt carrier group
  • Charging Handle
  • Matte black

Manufacturer Part #: 55B5949

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