Picture of 4" 9MM Complete assembled upper

4" 9MM Complete assembled upper

SKU: BU-9MM-4
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  • 4" 9mm barrel, 1:10 twist, 1/2-36 TPI, nitride finish
  • 5.56 Billet slick side stripped upper receiver
  • 9mm Colt/Glock Bolt Carrier Group, Nitride finish
  • 4" MLOK hand guard
  • Charging handle
  • Dust cover
  • Nitride Linear Compensator