MPN: 94B6829-AB


  • Compact Action-Direct Impingement System operates without the need for a buffer and buffer tube
  • Caliber: 9mm
  • Finish: Armor Black Cerakote
  • Upper Receiver: CMMG 9mm Dissent Side Charger Upper Receiver - 7075-T6 Aluminum
  • Handguard: 5.5-Inch CMMG Proprietary Handguard
  • Muzzle Device: CMMG 9mm ZEROED Linear Compensator
  • Barrel: 6.5" 1:10 Salt Bath Nitrided 4140 Chrome Moly Steel
  • Muzzle Thread Pattern: 1/2"-28
  • Bolt Carrier Group: Dissent Side Charging Bolt
  • Charging Handle: CMMG Dissent Side Charging Handle (Left)
  • HP and MPI Tested

*This upper receiver assembly has a barrel that is shorter than 16". This upper is only for use on AR pistol lower receivers and NFA registered Short-Barreled Rifle (SBR) lower receivers. All NFA laws apply!


  • Weight: ~3.26 lbs.
  • Length: ~15"


  • CMMG Mk4 lower receiver
  • AR-15 lower receiver with CMMG 9AR conversion mags


  • 1x CMMG Dissent 9mm 6.5" Complete Side Charging Upper
  • 1x CMMG Dissent Side Charging Bolt
  • 1x 1913 Picatinny Rail End Plate



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  • This Item: CMMG Dissent 9mm 6.5" Complete Side Charging Upper
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