Grid Defense 10.5" .300 Blackout Upper Receiver - FDE

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On Sale
  • Magpul FDE Grid Defense .300 Blackout Upper Receiver
  • 10.5" .300 Blackout 1:8 Twist Upper Receiver - Grid Defense
  • 10.5" .300 BO Barrel with 9" Free Float M-LOK Hand Rail
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" .300 Blackout Upper Receiver - FDE

  • Finished in Magpul Flat Dark Earth Cerakote
  • Mil-Spec 7075-T6 Upper Receiver
  • 10.5" 1:8 Twist 4150 Steel Barrel - Black Nitride
  • Chambered in .300 Blackout (7.62x35)
  • A2 Muzzle Device
  • Pistol Length Gas System
  • 9" Grid Defense 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

Flat Dark Earth
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