Grid Defense 10.5" 5.56 Flash Can Upper Receiver - Burnt Bronze

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On Sale
  • Grid Defense AR15 5.56 Flash Can Pistol Upper Receiver
  • Burnt Bronze 5.56 NATO Upper Receiver by Grid Defense
  • 10.5" 5.56 Barrel with 12" Free Float Hand Rail
Sale: $329.00
MSRP: $399.00
  • 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 Flash Can Upper Receiver

  • Finished in Burnt Bronze Cerakote
  • Made in the USA
  • 7075-T6 Mil-Spec Upper Receiver
  • 10.5" 1:7 Twist 4150 M4 Profile Barrel - Black Nitride
  • Chambered in 5.56x45 NATO
  • Carbine Length Gas System
  • .750 Low Profile Gas Block
  • 12" Octagon M-Lok Rail

*****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

Burnt Bronze
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1 Review

  • 5

    Posted by Kurtis Roberts on Oct 9th 2019

    Great upper. Really light and is easy on the hand when shooting!!

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