





Faxon 5.56 20″ AR-15 Barrel – Gunner Profile Black Nitride
$205.00 Original price was: $205.00.$185.95Current price is: $185.95.
Enhance your AR-15 with Faxon Firearms’ 5.56 20″ Rifle-Length Barrel, a perfect blend of Government and Pencil profiles. Expertly crafted in the USA, this Chrome Moly barrel features a QPQ corrosion-resistant finish, 1×8 twist rate, and .625″ gas block for superior performance. Its unique design offers a balance of weight and heat resistance, ensuring precision and reliability in every shot.
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Faxon Firearms 5.56 20″ Rifle-Length AR-15 Barrel with Gunner Profile in Black Nitride
The Faxon Firearms Gunner Profile – A combination of Government Profile and Pencil Profile. From the extension to the gas block the Government profile was mimicked, but from there the Gunner moved to a .625″ gas block journal and the Pencil profile out front. Secondly, by removing some weight from the front of the barrel, Faxon ensures versatility. Lastly, heat resistance and whip are mitigated by keeping more of the weight toward the back of the barrel.
Faxon Firearms barrels are high quality and value. Everything is 100% manufactured by Faxon Firearms. Also, their barrels are fully stress relieved, air gauge tested, and 11-degree target crowned to ensure accuracy.
Faxon 5.56 20″ Rifle-Length AR-15 Barrel Features:
Length: 20″
Material: Chrome Moly
Finish: QPQ Corrosion Resistant
Chamber: 5.56 NATO
Thread: 1/2″ x 28
Twist: 1 x 8
Gas System: Rifle-Length
Gas Block: .625″
Made in the USA
SKU: 15A58R20NGQ
Prefer shorter? See the 16″ Gunner profile barrel.
What’s Included
- 1x Faxon 5.56 20″ AR-15 Barrel – Gunner Profile Black Nitride
| Weight | 1.75 lbs |
|---|---|
| Platform | |
| Color | |
| Barrel Length | |
| Barrel Material | |
| Barrel Finish | |
| Barrel Chamber | |
| Barrel Thread | |
| Barrel Twist | |
| Barrel Gas System | |
| Barrel Gas Block |
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Frequently Asked Questions
What caliber is this barrel chambered in?
5.56 NATO.
What gas system does it use?
A rifle-length gas system suited to its 20″ length.
What is a Gunner profile?
A blend of Government and Pencil profiles, shifting to a slimmer .625″ contour past the gas block.
What finish does it have?
A durable black nitride coating for corrosion resistance.
What thread pitch is the muzzle?
1/2″x28, standard for 5.56 muzzle devices.
Is a gas block included?
No, the barrel is sold separately and requires a compatible gas block.




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