10.5" .223 / 5.56 AR15 Upper Receiver With 7" Free Float Hand Guard - FREE SHIPPING

$ 380.45

This complete AR15 upper receiver comes with everything you need already installed. Just pop the pins on your pistol or registered SBR lower, pop on this upper and you're ready to roll.

Each Ground Zero Precision upper receiver is hand assembled by one of our certified AR15 technicians to our rigorous specifications and comes ready to pop onto your lower receiver and go.

Each upper receiver test fired for functionality and accuracy. Please allow additional time when ordering as these are built to your order and must pass three inspections and a range test.

Includes all of the following:

  • Ground Zero Precision A4 Flat-Top 7075-T6 Aluminum Upper Receiver
  • 10.5" Stainless Govt. Profile .223/5.56 Chambered, 1:7 twist Pistol Barrel
  • Ground Zero Precision Premium Full-Mass Bolt Carrier Group - Slick Black Phosphate, Chrome Lined, Magnetic Particle Inspected, High Pressure Tested
  • Ground Zero Precision Mod 2 .750 Same Plane Rail Height Railed Gas Block - 7075 T6 Aluminum - Black Hard Coat Anodized Finish
  • Seamless Stainless Carbine Length Gas Tube with Roll Pin
  • A2 "Birdcage" 1/2-28 Flash Hider with Crush Washer - QPQ Nitride Finish
  • Mil-Spec 7075-T6 Aluminum Charging Handle - Black Hard Coat Anodized Finish
  • Mil-Spec Ejection Port Cover Door Assembly with Pin, C-Clip and Spring
  • Mil-Spec "Target" Forward Assist with Spring and Roll Pin - QPQ Nitride Finish
  • Ground Zero Precision 7" Knurled Free Float Tube 7075 T-6 Aluminum, Black Hard Coat Anodized Finish