20" .223 / 5.56 Complete AR-15 Upper Receiver with 17" M-Lok™ Free-Float Handguard (PR2025W-17UMLOK)

$ 489.29

20" AR 15 Free Float Complete Upper ReceiverThis complete precision rifle AR-15 upper receiver comes with everything you need already installed. Just pop the pins on your AR-15 lower, pop on this upper and you're ready to roll.

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

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.

Includes all of the following (Assembled):

  • Ground Zero Precision 7075 T-6 Aerospace Grade Aluminum Stripped Upper Receiver, Hard Coat Anodized (Black) to MIL-A-8625
  • 20" Modern Contour Profile .223 / 5.56 Wylde Chambered, 1:9 Twist Precision Rifle Barrel, 4140 Gun Quality Steel, Heat Treated to RC 28-32 Hardness, and Stress Relieved, Fully Parkerized (Black)
  • 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

Additional Components and Specifications:

  • Ground Zero Precision Mod 2 .750 Low Profile Gas Block
  • Seamless Stainless Rifle Length Gas Tube with Roll Pin
  • A2 "Birdcage" 1/2 X 28 Flash Hider with Crush Washer - Salt Bath QPQ Nitride Finish
  • Premium Extended Latch Charging Handle - 7075 T-6 Aerospace Grade Aluminum, Hard Coat Anodized (Black) to MIL-A-8625
  • 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
  • 17" UTG-PRO M-Lok™ Super-Slim Free-Float Handguard - Includes re-positionable Quick Disconnect sling port and two M-Lok rail sections.

 

PREVIOUS SKU(s): N/A