Grid Defense Stainless Steel 10.5" 5.56 Upper Receiver - Tungsten Gray

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  • M16 Bolt Carrier Group
  • Nickel Boron M16 Bolt Carrier Group
  • M16 Bolt Carrier Group - Titanium Nitride Coated
  • Ghost Firearms Charging Handle
  • Trinity Force UL - B.U.S. Polymer Sights
  • Magpul MBUS Gen II Front and Rear Sight Set

Out of stock

Out of Stock

Grid Defense Stainless Steel 10.5" 5.56 Upper Receiver

  • High quality AR15 upper receivers
  • Tungsten Gray Cerakote Finish
  • Chambered in 5.56 NATO
  • Grid Defense Mil Spec 7075 T6 Upper Receiver
  • Grid Defense 9" M-Lok Free Float Hand Guard
  • Carbine Length Gas System 
  • 10.5" 1:7 Twist 416R Stainless Steel Barrel - M4 Profile
  • Stainless Steel A2 Flash Hider

*****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.


Tungsten Gray