Grid Defense 10.5" 5.56 Upper Receiver - Tungsten Gray

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On Sale
  • 10.5" 5.56 1:7 Twist Barel
  • Tungsten Gray Milspec Pistol Upper Receiver with 9" MLOK Compatible Hand Guard
  • Pistol Upper Receiver
Sale: $299.00
MSRP: $379.00
  • AR15 Bolt Carrier Group and Charging Handle | Mil Spec
  • AR15 BCG | 5.56 NATO/.223/.300 Blackout | Mil Spec
  • High Polish M16 Bolt Carrier Group
  • M16 Bolt Carrier Group - Titanium Nitride Coated
  • Trinity Force UL - B.U.S. Polymer Sights
  • Magpul MBUS Gen II Front and Rear Sight Set
Frequently bought together:


Grid Defense 10.5" 5.56 Upper Receiver

  • Finished in Tungsten Gray Cerakote
  • Chambered in 5.56x45 NATO
  • 7075-T6 Milspec Upper Receiver
  • 10.5" 1:7 Twist 4150 Steel M4 Barrel - Black Nitride
  • .750 Low Profile Gas Block
  • Carbine Length Gas System
  • A2 Flash Hider
  • Made in the USA


*****Ammunition Notification***** Grid Defense test fires every custom upper to verify cycling. We do not guarantee cycling with all ammunition due to vast differences in the quality of ammunition. We will only warranty cycling with US made ammunition. We will not warranty cycling with imported, steel cased or reloaded rounds.

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Additional Information

Tungsten Gray
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