16" .223 / 5.56 Complete AR-15 Upper Receiver with 15" Tac-Hunter Keymod Free-Float Handguard (16P25W-15THP)

$ 391.10

Ground Zero PrecisionStrong, Reliable, Rock Solid Performance. Shot after shot. Built for duty under the most extreme conditions with zero corners cut. With it's beautiful black phosphate finish light contour series .223 / 5.56 Wylde barrel nestled under our 15" Tac-Hunter Mod 2 KEYMOD modular rail this complete upper receiver a sight to behold. Form meets function. A true beast veiled in beauty. With the push of two pins you can convert your boring, ho-hum rifle into a true tack driving masterpiece capable firing both .223 and 5.56 ammunition without losing accuracy between calibers.

Building your own custom free-floated AR-15 Pistol upper receiver is a snap when you have all of the right parts. It's even easier when someone has already done the legwork to source all of the components, made sure they are of the highest quality and fit, BUILDS AND TESTS THE UPPER RECEIVER and then put them all into a nice little package for you. 

Well that's exactly what we have done and it's absolutely awesome! 

Each complete upper receiver sold by Ground Zero Precision is assembled by one of our certified AR-15 technicians to our rigorous specifications, pressure and functionality tested and comes ready to pop onto your lower receiver.

16" AR 15 Keymod Upper ReceiverComponents and Specifications:

Barrel - 

Ground Zero Precision's Premium .223 / 5.56 "Wylde" chambered 16 inch Light Contour Series Barrel is precision CNC machined from 4150 Chrome Moly Vanadium steel with a durable, corrosion resistant Black phosphate  Finish with polished M4 feed ramp extensions for easy and reliable feeding of multiple ammunition types and brands. Carbine length gas system.

Barrel Specifications:

Length 16"
Material 4150 Chrome Moly Vanadium
Profile M4 Contour
Finish Black Phosphate
Gas System Length Carbine
Gas Block Journal .750"
Twist Rate 1:8
Muzzle 1/2 X 28 Threaded
Weight 29oz

 

Bolt Carrier Group:
  • Phosphate Bolt Carrier Group (Option 1): Ground Zero Precision Dead Bolt +P Premium Full-Mass Bolt Carrier Group - Carrier: 8620 Steel, Black Phosphate finish, Chrome Lined, Magnetic Particle Inspected, High Pressure Tested - No Logo, Bolt: 158 Carpenter Steel, Magnetic Particle Inspected, High Pressure Tested, Black Phosphate Finish, Gas Key: 4041 Steel, Grade 8 Fasteners, Staked to Mil-Spec
  • Nib Bolt Carrier Group (Option 2): Ground Zero Precision Dead Bolt +P Premium Full-Mass Bolt Carrier Group - Carrier: 8620 Steel, Nickel Boron finish, Chrome Lined, Magnetic Particle Inspected, High Pressure Tested, Bolt: 158 Carpenter Steel, Magnetic Particle Inspected, High Pressure Tested, Nickel Boron Finish, Gas Key: 4041 Steel, Grade 8 Fasteners, Staked to Mil-Spec
  • QPQ Nitride Bolt Carrier Group (Option 3): Ground Zero Precision Dead Bolt +P Premium Full-Mass Bolt Carrier Group - Carrier: 8620 Steel, Black QPQ Nitride finish, Chrome Lined, Magnetic Particle Inspected, High Pressure Tested - No Logo, Bolt: 158 Carpenter Steel, Magnetic Particle Inspected, High Pressure Tested, Black QPQ Nitride Finish, Gas Key: 4041 Steel, Grade 8 Fasteners, Staked to Mil-Spec
  • Titanium Nitride Bolt Carrier Group (Option 4): Ground Zero Precision Dead Bolt +P Premium Full-Mass Bolt Carrier Group - Carrier: 8620 Steel, Titanium Nitride finish, Chrome Lined, Magnetic Particle Inspected, High Pressure Tested - No Logo, Bolt: 158 Carpenter Steel, Magnetic Particle Inspected, High Pressure Tested, Titanium Nitride Finish, Gas Key: 4041 Steel, Grade 8 Fasteners, Staked to Mil-Spec
    Upper Receiver:

    Ground Zero Precision upper receivers are manufactured for us in the United States by a major military and NASA contract to U. S. Military Specification. Forged from 7075 T-6 Aluminum and hard coat type III class III anodized in matte black for durability and reliability in the most extreme of environments.

    Upper Receiver Materials and Specifications:

    • Manufactured to U. S. Mil-Spec
    • Forged 7075 T-6 Aluminum
    • M-4 Upper Receiver with M-4 Feed Ramps
    • 1913 Picatinny Rail Flat Top
    • Multi-Caliber Capable
    • Hard Coat Anodize Type III Class II
    • Matte Black Finish
    • Mil-Spec Ejection Port Cover
    • Mil-Spec Ejection Port Hinge Pin
    • MIl-Spec Ejection Port Hinge Pin C-clip
    • Mil-Spec Ejection Port Spring
    • MIl-Spec "Target" Forward Assist - QPQ Nitride Finish
    • Mil-Spec Forward Assist Spring
    • Mil-Spec AR-15 Charging Handle - 7075 T6 Aluminum - Hard Coat Anodized 
    Additional Components and Specifications:
    • 1/2 X 28 "Bird Cage" Flash Suppressor - QPQ Nitride Finish
    • Seamless Stainless Steel Carbine Length Gas Tube
    • Steel.750 Ultra-Low Profile Gas Block - Black Phosphate Finish