Aero/GZP M5 .308 WIN AR10 Upper Receiver - 16308M5A

$ 569.95

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.308 WIN chambered Match LR-308/AR10 upper receivers! Built in a limited quantity, hand inspected and ready for immediate shipment, these AR10 upper receivers are an outstanding value that we know for a fact you're going to love.

Just add your lower receiver, bolt carrier group and charging handle and you're ready to rock!

Components and Specifications:

Barrel - 

Ground Zero Precision's Lightning Series 16 inch .308 WIN chambered barrels are precision CNC machined from 4150 CrMoV steel and fitted with a perfectly aligned feed ramp extension.

Barrel Specifications:

Length 16"
Material 4150 CrMoV Steel - Heat Treated to RC 28-32 Hardness, and Stress Relieved
Profile Lightning Series - Tapered
Finish Black Nitride
Gas System Length Mid-Length
Gas Block Journal .750"
Twist Rate 1:10
Muzzle 5/8X24 Threaded
Other Specs N/A


Upper Receiver:

Aero Precision's M5 .308 Upper Receiver is the perfect upper for your big bore rifle build. Forged from 7075- T6 aluminum, this upper is precision machined to accept standard .308 components. Fits all DPMS Gen 1 patterned lower receivers or match this with our M5 .308 lower receiver for a solid and dependable fit.

Upper Receiver Materials and Specifications:

  • Manufactured in the U. S. by Aero Precision
  • Forged 7075 T-6 Aluminum
  • M4 Upper Receiver with M4 Feed Ramps
  • .2795 takedown pin holes
  • DPMS High Profile (.210) Tang
  • 1913 Picatinny Rail Flat Top with T-marks
  • Hard Coat Anodize Type III Class II
  • 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 - Phosphate Finish
  • Mil-Spec Forward Assist Spring

Additional Components and Specifications:

  • 5/8X24 A2 Flash Hider - Black Nitride Finish
  • Seamless Stainless Steel Mid-Length Gas Tube
  • GZP Super Performance Micro Gas Block - Black Nitride Finish
  • 15" Trinity Force Atlas Free-Float Keymod Rail - 6061 T6 Aerospace Grade Aluminum, Hard Coat Anodized to MIL-A-8625
  • Does Not Include Bolt Carrier Group or Charging Handle