+1-800-504-5897 Help Center Check Order Status
About Us Policies Reviews How To
Free Shipping & Free Returns*

FREE SHIPPING on Over 250,000 Products

Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC, and to all U.S. Military APO/FPO/DPO addresses.

Enjoy our FREE RETURNS

We want to ensure that making a return is as easy and hassle-free as possible! If for any reason you are not satisfied with your purchase, simply return the item within 30 days of receipt, and we'll cover the cost of return shipping. Learn more about our Return Policy.

  • Entire Store
  • ...
  • Apparel & Footwear
  • Astronomy
  • Everything Else
  • Eyewear
  • Hunting Gear
  • Lab Equipment
  • Military Gear
  • Outdoor Gear
  • Photography Equipment
  • Police, EMS & Fire
  • Shooting
  • Sport Optics
  • Sports & Hobbies
TIP
Shopping Cart

Faxon Firearms 18in Heavy Fluted Barrel, Mid Length 15BG8M18FHQ-5R-NP3 Color: Black Nitride, Finish: Nitride, $26.40 Off w/ Free S&H

Faxon Firearms 18in, Heavy Fluted, 6.5 Grendel, Mid-Length, 416-R Stainless Steel QPQ Barrel, Black Nitride, 15BG8M18FHQ-5R
Faxon Firearms 18in, Heavy Fluted, 6.5 Grendel, Mid-Length, 416-R Stainless Steel QPQ Barrel, Black Nitride, 15BG8M18FHQ-5R
Faxon Firearms 18in, Heavy Fluted, 6.5 Grendel, Mid-Length, 416-R Stainless Steel QPQ Barrel, Black Nitride, 15BG8M18FHQ-5R
Faxon Firearms 18in, Heavy Fluted, 6.5 Grendel, Mid-Length, 416-R Stainless Steel QPQ Barrel, Black Nitride, 15BG8M18FHQ-5R
Faxon Firearms 18in, Heavy Fluted, 6.5 Grendel, Mid-Length, 416-R Stainless Steel QPQ Barrel, Black Nitride, 15BG8-5R-NP3
Faxon Firearms 18in, Heavy Fluted, 6.5 Grendel, Mid-Length, 416-R Stainless Steel QPQ Barrel, Black Nitride, 15BG8M18FHQ-5R
Faxon Firearms 18in, Heavy Fluted, 6.5 Grendel, Mid-Length, 416-R Stainless Steel QPQ Barrel, Black Nitride, 15BG8M18FHQ-5R
Faxon Firearms 18in, Heavy Fluted, 6.5 Grendel, Mid-Length, 416-R Stainless Steel QPQ Barrel, Black Nitride, 15BG8M18FHQ-5R
1 of 7 images
Faxon Firearms 18in, Heavy Fluted, 6.5 Grendel, Mid-Length, 416-R Stainless Steel QPQ Barrel, Black Nitride, 15BG8M18FHQ-5R
Faxon Firearms 18in, Heavy Fluted, 6.5 Grendel, Mid-Length, 416-R Stainless Steel QPQ Barrel, Black Nitride, 15BG8M18FHQ-5R
2 of 7 images
Faxon Firearms 18in, Heavy Fluted, 6.5 Grendel, Mid-Length, 416-R Stainless Steel QPQ Barrel, Black Nitride, 15BG8M18FHQ-5R
Faxon Firearms 18in, Heavy Fluted, 6.5 Grendel, Mid-Length, 416-R Stainless Steel QPQ Barrel, Black Nitride, 15BG8M18FHQ-5R
3 of 7 images
Faxon Firearms 18in, Heavy Fluted, 6.5 Grendel, Mid-Length, 416-R Stainless Steel QPQ Barrel, Black Nitride, 15BG8M18FHQ-5R
Faxon Firearms 18in, Heavy Fluted, 6.5 Grendel, Mid-Length, 416-R Stainless Steel QPQ Barrel, Black Nitride, 15BG8M18FHQ-5R
4 of 7 images
Faxon Firearms 18in, Heavy Fluted, 6.5 Grendel, Mid-Length, 416-R Stainless Steel QPQ Barrel, Black Nitride, 15BG8M18FHQ-5R
Faxon Firearms 18in, Heavy Fluted, 6.5 Grendel, Mid-Length, 416-R Stainless Steel QPQ Barrel, Black Nitride, 15BG8-5R-NP3
5 of 7 images
Faxon Firearms 18in, Heavy Fluted, 6.5 Grendel, Mid-Length, 416-R Stainless Steel QPQ Barrel, Black Nitride, 15BG8-5R-NP3
Faxon Firearms 18in, Heavy Fluted, 6.5 Grendel, Mid-Length, 416-R Stainless Steel QPQ Barrel, Black Nitride, 15BG8M18FHQ-5R
6 of 7 images
Faxon Firearms 18in, Heavy Fluted, 6.5 Grendel, Mid-Length, 416-R Stainless Steel QPQ Barrel, Black Nitride, 15BG8M18FHQ-5R
Faxon Firearms 18in, Heavy Fluted, 6.5 Grendel, Mid-Length, 416-R Stainless Steel QPQ Barrel, Black Nitride, 15BG8M18FHQ-5R
7 of 7 images
Faxon Firearms 18in, Heavy Fluted, 6.5 Grendel, Mid-Length, 416-R Stainless Steel QPQ Barrel, Black Nitride, 15BG8M18FHQ-5R

Tap Tap to Zoom

Government Export Restriction Government Export Restriction
Government Restriction Government Restriction
Questions & Answers
Grendel type II is the .136 bolt correct Expert Answer

Yes, the type II is .136.

by Armando R., Gear Expert, August 8, 2019
See 1 More Answer
Description says fluted barrel is for AR10 platform although 6.5 Grendel is typically used with AR15. Which AR platform is this compatible with? Manufacturer Answer

This appears to be a typo in Optics Planet's description. The part number listed is for an AR-15 pattern barrel chambered for 6.5 Grendel.

by Faxon Firearms, Manufacturer, July 16, 2025
View All Q&A You Have a Question? Ask!
Customer Reviews
Helpful Positive Review
Great Barrel by Eric, Verified Owner, March 7, 2018
1st impressions are huge and and this mad a great 1st. Barrel arrived packaged safely from optics planet. Arrived with protectors on both the thread and barrel extension, lightly oiled and an overall beautiful barrel. Fit perfect with my upper, he...
Read More...
5/6 found this helpful
Most Recent Reviews
Faxon Barrel by Josh, January 7, 2020
Had a great deal on Faxon website but they were out of stock and didnt take back orders. Called them gave me a few websites, OP had the best price and ability to backorder. Barrel is great, well made, and accurate. I will order more Faxon barrels i...
Read More...
0/2 found this helpful
Most Recent Reviews
Outstanding barrel for 6.5 Grendel by Thegiven, Verified Owner, June 15, 2024
Tbis barrel for me was very accurate and lightweight. The fluted barrel looks amazing. I was getting. 5" to .75" groups from 100+ yards with Hornady Black ammunition. This barrel Faxon did well, as well as all their other barrels. I've had several...
Read More...
Most Recent Reviews
faxon fluted barrel by AR interested, Verified Owner, April 29, 2024
This barrel looks like a piece of art. It fit snugly in the reciever, andi am looking forward to some time on the range.
Most Recent Reviews
Faxon 6.5 Grendel heavy fluted barrel by Jesse, January 21, 2024
Very nice fit and finish, this barrel, like every other Faxon product that I have purchased is of the highest quality. More on the accuracy of the barrel to come, as of now, 30 out of 30 rounds steel and 30 out of 30 brass rounds chambered and fired ...
Read More...
Read All 5 Reviews

14% OFF Firearm Parts

See promotion details.
PBFDClick to Copy Coupon Code
Eligible models will have a savings offer and the coupon code to use below. Add the item to your cart and enter coupon code for savings on that select model! Limited time only. Cannot be combined with other promotions or offers.
Color: Black Nitride Finish: Nitride Caliber: 6.5mm Grendel Barrel Length: 18 inBarrel Profile: Heavy Fluted Gas System Length: Mid Length Gas Block Journal Size-Diameter: .750 inThreads per Inch: 5/8x24 Barrel Twist Rate: 1-8 Barrel Material: 416R Stainless Steel Flutes: Yes Gun Make: AR Platform Gun Model: AR-10 Weight: 1.81 lbGas Block Journal Size-Length: 1.1 inGun Type: Rifle

Code: 11I-ATB-15BG8M18FHQ-5R-15BG8-5R-NP3

MPN: 15BG8M18FHQ-5R-NP3

UPC: 816341022126

List: $330.00Save $26.40
$303.60

Buy Together and Save

Receive $8.16 OP Bucks

Product Info for Faxon Firearms 18in Heavy Fluted Barrel, Mid Length

Say goodbye to stock and introduce this premium Faxon Firearms 18in Heavy Fluted Stainless Steel QPQ Barrel to your collection. These AR15 Barrels made by Faxon Firearms are thoroughly tested and Nitride treated which locks in the bore, extends the lifespan of the barrel, and resists corrosion and harmful elements. This Faxon Firearms 18in 6.5 Grendel Barrel contains a Nickel Teflon coating that resists corrosion and tightens the fit between your receiver and this extension, greatly improving your accuracy in the field. Get more out of your rifle with this ultra-durable Faxon Firearms Heavy Fluted Rifle Barrel.image

WARNING: California`s Proposition 65

Specifications for Faxon Firearms 18in Heavy Fluted Barrel, Mid Length:

Manufacturer: Faxon Firearms
Color: Black Nitride
Finish: Nitride
Fabric/Material: 416R Stainless Steel
Caliber: 6.5mm Grendel
Barrel Length: 18 in
Barrel Profile: Heavy Fluted
Gas System Length: Mid Length
Gas Block Journal Size-Diameter: .750 in
Threads per Inch: 5/8x24
Barrel Twist Rate: 1-8
Barrel Material: 416R Stainless Steel
Flutes: Yes
Gun Make: AR Platform
Gun Model: AR-10
Weight: 1.81 lb
Gas Block Journal Size-Length: 1.1 in
Gun Type: Rifle

Features of Faxon Firearms 18in, Heavy Fluted, 6.5 Grendel, Mid Length, 416-R Stainless Steel QPQ Barrel:

  • Manufactured 100% in-house from gun-barrel-quality bar-stock
  • 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
  • Coated in a Nickel Teflon coating that maintains incredible dry lubricity, corrosion resistance, and tightens up fit between the extension and receiver

Package Contents:

  • Faxon Firearms 18in, Heavy Fluted, 6.5 Grendel, Mid Length, 416-R Stainless Steel QPQ Barrel

What firearm models does the manufacturer say Faxon Firearms 18in Heavy Fluted Barrel, Mid Length is compatible with?

The manufacturer says that Faxon Firearms 18in Heavy Fluted Barrel, Mid Length is compatible with AR-10

Faxon Firearms 18in Heavy Fluted Barrel, Mid Length Orderable Models

List of Orderable Models

  • Faxon Firearms 18in, Heavy Fluted, 6.5 Grendel, Mid-Length, 416-R Stainless Steel QPQ Barrel, Black Nitride, 15BG8-5R-NP3 , MPN: 15BG8M18FHQ-5R-NP3 , UPC: 816341022126 , Code: 11I-ATB-15BG8M18FHQ-5R-15BG8-5R-NP3
Compare (0)
1 item has been added
Add at least two items to compare