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Questions & Answers
This is advertised as “ar15” and ar10”. Which one is it? I’m not aware of any large ar10 frames that are compatible with 6.5 Grendel

It’s a typo. This will fit an AR-15 milspec upper receiver.

by AK47, Verified Owner, October 28, 2025
Is barrel dimpled to use a solid set screw gas block Manufacturer Answer

No, these barrels come with a plain gas block journal.

by Faxon Firearms, Manufacturer, May 2, 2025
Customer Reviews
Helpful Positive Review
very impressed by Mike, Verified Owner, September 27, 2020
I backed this barrel with an Oden Works BCG and POF flat bow trigger, all in basic Aero Precision receivers and topped it with a Primary Arms scope. the first 5 rounds down the barrel were PPU 120g @ 100y it was sub 1/2 MOA basically one hole slightl...
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2/2 found this helpful
Helpful Positive Review
Great accuracy for the price by SixfivegrendelMO, Verified Owner, September 13, 2020
Installed this on a pawn shop gun because the old barrel would not group. This barrel will shoot 3/8 inch groups at 100 yards. Very happy with it for the price. The profile in the description is a little off as this is pretty much a government or pen...
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1/1 found this helpful
Helpful Positive Review
High quality barrel by Luvtoshoot1776, Verified Owner, June 13, 2018
Put 40 rds throw it very happy I now it will shoot better then I can I was getting 1.25 groups from a bipod very happy.plan on using it for deer season maybe pigs not sure. Just wish I would have went with the heavy fluted barrel this is more on the ...
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4/4 found this helpful
Helpful Negative Review
Head Space Issues by Vou Xiong, Verified Owner, May 18, 2022
I bought the first barrel from Optics Planet and failed headspace then got a replacement and it too failed headspace. This was verified by two gun smiths in my local area where we used my 6.5 Grendel type 2 bolt from Faxon witched passed with two dif...
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2/5 found this helpful
Most Recent Reviews
great barrel by Chris Meyer, Verified Owner, April 15, 2025
I have bought faxon barrels in the past and for the money you can't beat them. The only down fall is to a new builder is that this barrel will need to be dimpled or drilled for gas block....it is also a great thing for avid builders as it is a blank ...
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Most Recent Reviews
great barrel by Chris Meyer, Verified Owner, April 15, 2025
I have bought faxon barrels in the past and for the money you can't beat them. The only down fall is to a new builder is that this barrel will need to be dimpled or drilled for gas block....it is also a great thing for avid builders as it is a blank ...
Read More...
Read All 12 Reviews

Let's Start Celebrating Already! Save up to 20% on Faxon Firearms Products

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!
Color:
Black Nitride
Finish:
Nitride
Caliber:
6.5mm Grendel
Barrel Length:
18 in
Barrel Profile:
Gunner
Gas System Length:
Mid Length
Gas Block Journal Size-Diameter:
.750 in
Barrel Twist Rate:
1-8
Barrel Material:
416R Stainless Steel
Flutes:
No
Gun Make:
AR Platform
Gun Model:
AR-15
Weight:
1.68 lb
Gas Block Journal Size-Length:
1.9 in
Gun Type:
Rifle
Firearms Threads Per Inch:
5/8x24

Code: 11I-ATB-15BG8M18NGQ-5R-15BG8Q-5R-NP3

MPN: 15BG8M18NGQ-5R-NP3

UPC: 816341022119

Blazin' Deal
List: $251.00Save 17%
$207.90

Product Info for Faxon Firearms 18in BIG GUNNER Barrel

Crafted in-house from gun barrel quality bar stock, the Faxon Firearms 18in Match Series Rifle Barrel delivers the results you crave that will lead to more successful hunts and will impress your friends at target practice. Faxon Firearms designed these AR15 Barrels to be 5R button rifled, meaning they have reduced jacket deformation which boosts velocity and is easier to clean. The extension on this Faxon Firearms 18in Gunner, 6.5 Grendel Barrel is coated in Nickel Teflon which gives it dry lubricity, corrosion resistance, and even tightens the fit between the extension and the receiver which, in turn, enhances your shooting accuracy. To increase durability even further, these barrels are Nitride treated which improves the longevity of them and even resists harsh elements so that you can use your rifle rain or shine. Install this Faxon Firearms 18in Match Series 416-R Barrel today on your favorite rifle for a perfect fit and unparalleled performance every time.image

WARNING: California`s Proposition 65

Specifications for Faxon Firearms 18in BIG GUNNER Barrel:

Manufacturer: Faxon Firearms
Color: Black Nitride
Finish: Nitride
Fabric/Material: 416R Stainless Steel
Caliber: 6.5mm Grendel
Barrel Length: 18 in
Barrel Profile: Gunner
Gas System Length: Mid Length
Gas Block Journal Size-Diameter: .750 in
Barrel Twist Rate: 1-8
Barrel Material: 416R Stainless Steel
Flutes: No
Gun Make: AR Platform
Gun Model: AR-15
Weight: 1.68 lb
Gas Block Journal Size-Length: 1.9 in
Gun Type: Rifle
Firearms Threads Per Inch: 5/8x24

Features of Faxon Firearms 18in Match Series Rifle Barrel:

  • Manufactured 100% in-house from gun-barrel-quality bar-stock
  • Lands opposite grooves and reduced sharp angles that reduces jacket deformation increasing velocity and easy cleaning
  • Nitride treated inside and out, locking in the bore, improving barrel life, and keeping the elements at bay
  • Extension coated in Nickel Teflon which maintains incredible dry lubricity, corrosion resistance, and tightens up fit between the extension and receiver

Package Contents:

  • Faxon Firearms 18in, BIG GUNNER, 6.5 Grendel, Mid-Length, 416-R, QPQ Barrel

Faxon Firearms 18in BIG GUNNER Barrel Orderable Models

List of Orderable Models

  • Faxon Firearms 18in, BIG GUNNER, 6.5 Grendel, Mid-Length, 416-R, QPQ Barrel, Black Nitride, 15BG8Q-5R-NP3 , MPN: 15BG8M18NGQ-5R-NP3 , UPC: 816341022119 , Code: 11I-ATB-15BG8M18NGQ-5R-15BG8Q-5R-NP3
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