Grid Defense 10.5" 5.56 Upper Receiver - FDE

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On Sale
  • Mil-spec AR 15 Pistol Upper Chambered in 5.56 NATO by Grid Defense
  • Magpul Flat Dark Earth 10.5" 5.56 NATO Upper Receiver with 9" Free Float Rail
  • FDE Cerakote AR-15 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
  • Nickel Boron 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 Magpul Flat Dark Earth 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

Flat Dark Earth
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