Faxon Firearms .308 20″ Rifle Length AR-308/AR-10 Barrel – Big Gunner Black Nitride

Faxon Firearms .308 20″ Rifle Length AR-308/AR-10 Barrel – Big Gunner Black Nitride


Experience the pinnacle of shooting accuracy with Faxon Firearms’ .308 20″ Big Gunner Profile Barrel. Crafted in the USA, this barrel features a medium taper, 1×10 twist rate, and a .750″ gas block for optimal performance. Made of 4150 stainless steel and finished with QPQ corrosion resistance, it’s perfect for competitive shooting and duty use.

Availability: Out of stock SKU: 10A810R20NGQ Categories: , Tags: , , ,


Faxon Firearms .308 20″ Rifle Length AR-308/AR-10 Barrel with Big Gunner Profile in Black Nitride

Introducing the .308 Big Gunner Barrel from Faxon Firearms – the big brother to their famous 5.56 Gunner Barrels! You’ll love the medium taper behind the gas block, the .750″ gas block journal, and the thinner taper which reduces weight while still maintaining rigidity. Perfect for competition shooting or important duties, this 20″ rifle length AR-308/AR-10 barrel will provide you with accurate and reliable results each time. And what better way of ensuring superb reliability than thanks to its QPQ corrosion resistant finishing? Plus, at a fairly light weight it won’t feel like a clunky heavy burden either. Reliability you can feel, accuracy that will take your breath away. Come experience it with Faxon Firearms’ Big Gunner today!

.308 20″ Big Gunner Profile Barrel Features:

  • Length: 20″
  • Material:  4150 Stainless Steel
  • Finish: QPQ Corrosion Resistant
  • Chamber: .308
  • Thread: 5/8″ x 24
  • Twist: 1 x 10
  • Gas System: Rifle-Length
  • Gas Block: .750″
  • SKU#– 10A810R20NGQ

WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information: www.P65Warnings.ca.gov


Additional information

Weight 2.5 lbs




Barrel Length

Barrel Material

Barrel Finish

Barrel Chamber

Barrel Thread

Barrel Twist

Barrel Gas System

Barrel Gas Block


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