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Faxon Firearms .308 Winchester Heavy Fluted Rifle Barrel Up to 16% Off Plus Blazin' Deal w/ Free Shipping — 2 models

Faxon Firearms .308 Winchester Heavy Fluted Rifle Barrel, Rifle-Length, 416-R Stainless QPQ Nitride, 5R, NP3 Extension, Black Nitride, 18, 10B810R18FHQ-5R-NP3
Faxon Firearms .308 Winchester Heavy Fluted Rifle Barrel, Rifle-Length, 416-R Stainless QPQ Nitride, 5R, NP3 Extension, Black Nitride, 20, 10B810R20FHQ-5R-NP3
Faxon Firearms .308 Winchester Heavy Fluted Rifle Barrel, Rifle-Length, 416-R Stainless QPQ Nitride, 5R, NP3 Extension, Black Nitride, 18, 10B810R18FHQ-5R-NP3
Faxon Firearms .308 Winchester Heavy Fluted Rifle Barrel, Rifle-Length, 416-R Stainless QPQ Nitride, 5R, NP3 Extension, Black Nitride, 18, 10B810R18FHQ-5R-NP3
Faxon Firearms .308 Winchester Heavy Fluted Rifle Barrel, Rifle-Length, 416-R Stainless QPQ Nitride, 5R, NP3 Extension, Black Nitride, 18, 10B810R18FHQ-5R-NP3
Faxon Firearms .308 Winchester Heavy Fluted Rifle Barrel, Rifle-Length, 416-R Stainless QPQ Nitride, 5R, NP3 Extension, Black Nitride, 18, 10B810R18FHQ-5R-NP3
Faxon Firearms .308 Winchester Heavy Fluted Rifle Barrel, Rifle-Length, 416-R Stainless QPQ Nitride, 5R, NP3 Extension, Black Nitride, 18, 10B810R18FHQ-5R-NP3
Faxon Firearms .308 Winchester Heavy Fluted Rifle Barrel, Rifle-Length, 416-R Stainless QPQ Nitride, 5R, NP3 Extension, Black Nitride, 20, 10B810R20FHQ-5R-NP3
Faxon Firearms .308 Winchester Heavy Fluted Rifle Barrel, Rifle-Length, 416-R Stainless QPQ Nitride, 5R, NP3 Extension, Black Nitride, 20, 10B810R20FHQ-5R-NP3
Faxon Firearms .308 Winchester Heavy Fluted Rifle Barrel, Rifle-Length, 416-R Stainless QPQ Nitride, 5R, NP3 Extension, Black Nitride, 20, 10B810R20FHQ-5R-NP3
Faxon Firearms .308 Winchester Heavy Fluted Rifle Barrel, Rifle-Length, 416-R Stainless QPQ Nitride, 5R, NP3 Extension, Black Nitride, 20, 10B810R20FHQ-5R-NP3
Faxon Firearms .308 Winchester Heavy Fluted Rifle Barrel, Rifle-Length, 416-R Stainless QPQ Nitride, 5R, NP3 Extension, Black Nitride, 20, 10B810R20FHQ-5R-NP3
Faxon Firearms .308 Winchester Heavy Fluted Rifle Barrel, Rifle-Length, 416-R Stainless QPQ Nitride, 5R, NP3 Extension, Black Nitride, 18, 10B810R18FHQ-5R-NP3
1 of 12 images
Faxon Firearms .308 Winchester Heavy Fluted Rifle Barrel, Rifle-Length, 416-R Stainless QPQ Nitride, 5R, NP3 Extension, Black Nitride, 18, 10B810R18FHQ-5R-NP3
Faxon Firearms .308 Winchester Heavy Fluted Rifle Barrel, Rifle-Length, 416-R Stainless QPQ Nitride, 5R, NP3 Extension, Black Nitride, 20, 10B810R20FHQ-5R-NP3
2 of 12 images
Faxon Firearms .308 Winchester Heavy Fluted Rifle Barrel, Rifle-Length, 416-R Stainless QPQ Nitride, 5R, NP3 Extension, Black Nitride, 20, 10B810R20FHQ-5R-NP3
Faxon Firearms .308 Winchester Heavy Fluted Rifle Barrel, Rifle-Length, 416-R Stainless QPQ Nitride, 5R, NP3 Extension, Black Nitride, 18, 10B810R18FHQ-5R-NP3
3 of 12 images
Faxon Firearms .308 Winchester Heavy Fluted Rifle Barrel, Rifle-Length, 416-R Stainless QPQ Nitride, 5R, NP3 Extension, Black Nitride, 18, 10B810R18FHQ-5R-NP3
Faxon Firearms .308 Winchester Heavy Fluted Rifle Barrel, Rifle-Length, 416-R Stainless QPQ Nitride, 5R, NP3 Extension, Black Nitride, 18, 10B810R18FHQ-5R-NP3
4 of 12 images
Faxon Firearms .308 Winchester Heavy Fluted Rifle Barrel, Rifle-Length, 416-R Stainless QPQ Nitride, 5R, NP3 Extension, Black Nitride, 18, 10B810R18FHQ-5R-NP3
Faxon Firearms .308 Winchester Heavy Fluted Rifle Barrel, Rifle-Length, 416-R Stainless QPQ Nitride, 5R, NP3 Extension, Black Nitride, 18, 10B810R18FHQ-5R-NP3
5 of 12 images
Faxon Firearms .308 Winchester Heavy Fluted Rifle Barrel, Rifle-Length, 416-R Stainless QPQ Nitride, 5R, NP3 Extension, Black Nitride, 18, 10B810R18FHQ-5R-NP3
Faxon Firearms .308 Winchester Heavy Fluted Rifle Barrel, Rifle-Length, 416-R Stainless QPQ Nitride, 5R, NP3 Extension, Black Nitride, 18, 10B810R18FHQ-5R-NP3
6 of 12 images
Faxon Firearms .308 Winchester Heavy Fluted Rifle Barrel, Rifle-Length, 416-R Stainless QPQ Nitride, 5R, NP3 Extension, Black Nitride, 18, 10B810R18FHQ-5R-NP3
Faxon Firearms .308 Winchester Heavy Fluted Rifle Barrel, Rifle-Length, 416-R Stainless QPQ Nitride, 5R, NP3 Extension, Black Nitride, 18, 10B810R18FHQ-5R-NP3
7 of 12 images
Faxon Firearms .308 Winchester Heavy Fluted Rifle Barrel, Rifle-Length, 416-R Stainless QPQ Nitride, 5R, NP3 Extension, Black Nitride, 18, 10B810R18FHQ-5R-NP3
Faxon Firearms .308 Winchester Heavy Fluted Rifle Barrel, Rifle-Length, 416-R Stainless QPQ Nitride, 5R, NP3 Extension, Black Nitride, 20, 10B810R20FHQ-5R-NP3
8 of 12 images
Faxon Firearms .308 Winchester Heavy Fluted Rifle Barrel, Rifle-Length, 416-R Stainless QPQ Nitride, 5R, NP3 Extension, Black Nitride, 20, 10B810R20FHQ-5R-NP3
Faxon Firearms .308 Winchester Heavy Fluted Rifle Barrel, Rifle-Length, 416-R Stainless QPQ Nitride, 5R, NP3 Extension, Black Nitride, 20, 10B810R20FHQ-5R-NP3
9 of 12 images
Faxon Firearms .308 Winchester Heavy Fluted Rifle Barrel, Rifle-Length, 416-R Stainless QPQ Nitride, 5R, NP3 Extension, Black Nitride, 20, 10B810R20FHQ-5R-NP3
Faxon Firearms .308 Winchester Heavy Fluted Rifle Barrel, Rifle-Length, 416-R Stainless QPQ Nitride, 5R, NP3 Extension, Black Nitride, 20, 10B810R20FHQ-5R-NP3
10 of 12 images
Faxon Firearms .308 Winchester Heavy Fluted Rifle Barrel, Rifle-Length, 416-R Stainless QPQ Nitride, 5R, NP3 Extension, Black Nitride, 20, 10B810R20FHQ-5R-NP3
Faxon Firearms .308 Winchester Heavy Fluted Rifle Barrel, Rifle-Length, 416-R Stainless QPQ Nitride, 5R, NP3 Extension, Black Nitride, 20, 10B810R20FHQ-5R-NP3
11 of 12 images
Faxon Firearms .308 Winchester Heavy Fluted Rifle Barrel, Rifle-Length, 416-R Stainless QPQ Nitride, 5R, NP3 Extension, Black Nitride, 20, 10B810R20FHQ-5R-NP3
Faxon Firearms .308 Winchester Heavy Fluted Rifle Barrel, Rifle-Length, 416-R Stainless QPQ Nitride, 5R, NP3 Extension, Black Nitride, 20, 10B810R20FHQ-5R-NP3
12 of 12 images
Faxon Firearms .308 Winchester Heavy Fluted Rifle Barrel, Rifle-Length, 416-R Stainless QPQ Nitride, 5R, NP3 Extension, Black Nitride, 20, 10B810R20FHQ-5R-NP3

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Questions & Answers
Does the 20" barrel take the standard AR-15/DPMS rifle length gas tube or the Armalite rifle length gas tube? Manufacturer Answer

It is designed to use a standard AR-15 rifle length gas tube (15.125" overall length) but a longer "Armalite" length tube can be used (15.525" overall length).

by Faxon Firearms, Manufacturer, August 27, 2021
See 2 More Answers
Does the barrel have a dimple for the gas block set screws? Expert Answer

The Faxon Firearms .308 Winchester Heavy Fluted Rifle Barrel is not dimpled.

by Hunter, Gear Expert, February 28, 2023
View All Q&A You Have a Question? Ask!
Customer Reviews
Helpful Positive Review
Happy Customer by Jeffrey, April 22, 2018
This is my first AR-10 build. I checked around with some gun experts before I ordered and multiple people recommended Faxon barrels. When it arrived I was not disappointed! I'm still waiting on a few more parts to finish this build but am confiden...
Read More...
1/14 found this helpful
Helpful Positive Review
Great barrel by T.R., December 23, 2019
The product came in clean and clear with no issues. It looks great on my rifle but I haven’t shot it yet. It was a perfect fit on my AR-10 308 with no spacing concerns, going to be great for accuracy.
1/17 found this helpful
Helpful Positive Review
first Faxon Barrel/First AR build by Zong, January 18, 2018
I bought the Faxon heavy flute 18" rifle gas system barrel from Optics Planet. The barrel is a well build, looks good and smooth inside and out. The build is completed but have not take it out yet due to Minnesnow nice. This is my first AR build and ...
Read More...
1/12 found this helpful
Helpful Positive Review
16" sub-moa with the right ammo by iamlucas, Verified Owner, November 5, 2018
My goal was to build a sub 8 lb AR-10 in 308. I picked this barrel to get me there. After putting a few hundred rounds through it, I've found that ammo choice makes a significant difference. My copy of the 16" barrel does best with heavier ammo. I...
Read More...
27/27 found this helpful
Helpful Positive Review
Great Barrel by John Howsden, Verified Owner, July 31, 2018
Broke it in as info said and my AR10 is a sub min gun at 100 yards. Took it out to 800 last weekend and still holding great groups. Droped the wight of the gun and shoots even better than before, looks are great and so was fitment. Great price and fa...
Read More...
6/7 found this helpful
Helpful Positive Review
Great all around barrel by CarlJrJr, May 13, 2018
Very impressed with this barrel. Great accuracy with match ammo. Fluting is nice for saving weight, and most importantly looks cool. Was looking for a mostly bench gun that could also be used for occasional hunting, and this barrel has been perfect. ...
Read More...
7/7 found this helpful
Read All 29 Reviews

Summer Treat! Save Big on Faxon Products

See promotional details
Blazin' Deal
Prices have been cut drastically on this product as part of a special offer. These prices are so low that there's no double-dipping with coupons or any additional discounts, but you'll still get the best deal out there. This offer won't last long, so don't miss out!
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Product Info for Faxon Firearms .308 Winchester Heavy Fluted Rifle Barrel

Your shot performance heavily depends on your gun's barrel. Install a Faxon Firearms .308 Winchester Heavy Fluted Rifle Barrel to ensure your weapon is performing at its highest potential. Faxon Firearms built these AR15 Barrels from 416-R steel , and the 5R hybrid rifling technique reduces jacket deformation which boosts your velocity and allows for easier cleaning. This Faxon Firearms .308 Winchester Heavy Fluted 5R Button Rifled Barrel is also Nitride treated inside and out to resist corrosion and extend its service life. The extension is Nickel Teflon-coated to create outstanding dry lubricity and tighten up the fit between the receiver and extension which further enhances accuracy. Use the Faxon Firearms Match Series 308 WIN Heavy Fluted Rifle Barrel for guaranteed success at the range.image

WARNING: California`s Proposition 65

Specifications for Faxon Firearms .308 Winchester Heavy Fluted Rifle Barrel:

Manufacturer: Faxon Firearms
Color: Black Nitride
Finish: Salt Bath Nitride
Fabric/Material: 416R Stainless Steel
Caliber: .308 Winchester
Barrel Profile: Heavy Fluted
Gas System Length: Rifle Length
Gas Block Journal Size-Diameter: .750 in
Barrel Twist Rate: 1-10
Barrel Material: 416R Stainless Steel
Flutes: Yes
Gun Make: AR Platform
Gun Model: AR-15
Condition: New
Gas Block Journal Size-Length: 1.1 in
Gun Type: Rifle
Firearms Threads Per Inch: 5/8x24

Features of Faxon Firearms .308 Winchester Heavy Fluted Rifle Barrel:

  • Barrel Extension: DPMS LR-308 Compatible - Nickel Teflon Coated;
  • Magnetic Particle Inspected;
  • Recessed Target Crown

Package Contents:

  • Faxon Firearms .308 Winchester Heavy Fluted Rifle Barrel

What firearm models does the manufacturer say Faxon Firearms .308 Winchester Heavy Fluted Rifle Barrel is compatible with?

The manufacturer suggests that Faxon Firearms .308 Winchester Heavy Fluted Rifle Barrel is compatible with AR-15

Faxon Firearms .308 Winchester Heavy Fluted Rifle Barrel Orderable Models

List of Orderable Models

  • Faxon Firearms .308 Winchester Heavy Fluted Rifle Barrel, Rifle-Length, 416-R Stainless QPQ Nitride, 5R, NP3 Extension, Black Nitride, 18, 10B810R18FHQ-5R-NP3 , MPN: 10B810R18FHQ-5R-NP3 , UPC: 816341023338 , Code: 11I-ATB-FB-10B810R18FHQ-5R-NP3
  • Faxon Firearms .308 Winchester Heavy Fluted Rifle Barrel, Rifle-Length, 416-R Stainless QPQ Nitride, 5R, NP3 Extension, Black Nitride, 20, 10B810R20FHQ-5R-NP3 , MPN: 10B810R20FHQ-5R-NP3 , UPC: 816341023345 , Code: 11I-ATB-FB-10B810R20FHQ-5R-NP3

Faxon Firearms .308 Winchester Heavy Fluted Rifle Barrel Unavailable & Discontinued Models

List of Unorderable Models

  • USED Faxon Firearms .308 Winchester Heavy Fluted Rifle Barrel, Rifle-Length, 416-R Stainless QPQ Nitride, 5R, NP3 Extension, Black Nitride, 20, 10B810R20FHQ-5R-NP3, EDEMO1, Used, Condition Fair , MPN: 10B810R20FHQ-5R-NP3-EDEMO1 , Code: 11I-ATB-FB-10B810R20FHQ-5R-NP3-EDEMO1
  • Faxon Firearms .308 Winchester Heavy Fluted Rifle Barrel, Mid-Length, 416-R Stainless QPQ Nitride, 5R, NP3 Extension, Black Nitride, 16, 10B810M16FHQ-5R-NP3 , MPN: 10B810M16FHQ-5R-NP3 , UPC: 816341023321 , Code: 11I-ATB-FB-10B810M16FHQ-5R-NP3
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Last updated 2026-09-10 UTC.