10 Best 6.5 Grendel Barrels for Your Next Build – The Most Accurate Tested and Reviewed

A barrel is an integral part of the rifle, which is specially designed to reduce the recoils and enhance the range for precision shooting. There are a lot of innovations in the manufacturing of a barrel that makes today’s rifle very effective. 

If you’re waiting for a new, high-quality barrel for upgrading your 6.5mm Grendel AR-15 then you is at the right place; here we’ve listed down the Top 10 Barrels to make your Next Hunt Successful. 

A 6.5 Grendel is the same as the military standard 5.56 NATO. I’ve reviewed and tested all the 10 barrels below and given in sequential order for your convenience. Let’s take a deep dive into the list,

10 Best 6.5 Grendel Barrels in 2022 - Reviewed

1. Faxon Firearms 18in Gunner 6.5 Grendel Barrel

Faxon Firearms is one of the superior barrel manufacturers that come with attractive and elegant designs thus it is highly demandable in the market. 

The 18″ Gunner is nothing but the variation of 6.5 Grendel of the 5.56mm Gunner profile barrel. Faxon’s lightweight 6.5 Grendel barrel perfectly fits long-distance shooters and you can take it for any kind of outdoor shooting expeditions.

It is on our top list due to its sturdiness and durability to withstand any situation, this heavy profile barrel is constructed of high-quality 416R stainless steel with a black nitride finish on the interior and exterior. 

  • Color: Black Nitride
  • Fabric/Material: 416R Stainless Steel
  • Caliber: 6.5mm Grendel
  • Threads per Inch: 5/8×24
  • Barrel Twist Rate: 1-8
  • Flutes: No
  • Gun Type: Rifle
  • Barrel Length: 18 in
  • Barrel Profile: Gunner
  • Gas System Length: Mid Length
  • Gas Block Journal Size-Diameter: .750 in

If you’re waiting for the best budget lightweight barrel for your hunting rig, or a dual purpose barrel to work effectively for range time or 3-Gun events, the Faxon 18″ Gunners are sure to please also it offers an outstanding value

Without compromising the precision you can attain the exclusive benefits from this lightweight barrel. Faxon Firearms 18in Gunner 6.5 Grendel Barrel is a heavy and fluted profile for enhancing precision and cooling.

The 18″ Gunner barrel is heat-resistant and rust-resistant thus you can use it without any hesitation on tough fields in any weather. The Faxon Firearms is the great choice to upgrade your 6.5 Grendel rifle. 

There are two different lengths in Faxon namely 18″ and 20″, the 18in barrel features a mid-length gas port whereby the 20in barrel has a rifle-length gas tube. The barrel extension is shielded with a nickel Teflon which produces a tight receiver fit and adds high precision, by the way, you can lock and unlock smoothly for reliable performance.

What makes this barrel to be the most appealing and best for hunting? The first and foremost reason is the aerospace design with high precision and the next one is metal addition to the areas where performance will be high (i.e. nearby the chamber) and removal of metal from the places where it is not necessary. So finally you’ll get a light barrel with better heat resistance and accuracy. 

The muzzle is well-threaded to accept muzzle brakes also it has been fluted to ease the usage while you’re in the field, thus the weight will be reduced to half and promotes quick cooling via ammunition. It is the best 6.5 Grendel barrel twist and the nitride coating will make it work the same for a long time. 



2. Criterion Barrels Inc. AR-15 6.5 Grendel HBAR Barrel

Criterion Barrels is a hybrid barrel that fits perfectly for long-range, most of the buyers’ report that it is easy to install. The quality is top-notch as it is constructed of A1 grade materials and the users had no complaints on any factors. 

It “ranks at 2” on our list due to the precision which is exceptional that’s why our product experts have given high ratings for Criterion Barrel it is also one of the best 6.5 Grendel match barrels.

If you’re using an AR-15 rifle this 6.5 Grendel pistol barrel will be the supreme choice also it lasts for a long time so you need not have to think of frequently changing the barrels due to poor quality.

  • Fabric/Material: 416R Stainless Steel
  • Caliber: 6.5mm Grendel
  • Barrel Length: 22 in
  • Barrel Profile: HBAR
  • Gas System Length: Rifle Length
  • Threads per Inch: 5/8×24
  • Barrel Twist Rate: 1-8
  • Gun Model: AR-15
  • Gas Block Diameter: .750
  • Muzzle Thread: 5/8 x 24 .630

The length will amaze the users as it is 22 inches thus the AR-15 rifle can be turned into a precision rifle. The Criterion Barrels is a fantastic option for all the hunters, shooters, and even beginners for target practice. If you’re looking for a long-range 6.5 Grendel barrel with high precision don’t miss this option. 

It works efficiently in resisting heat buildup to ensure that your point of impact stays the same even if the volume of fire is high, this is the most valuable barrel around the globe. The full profile will produce the tightest groups as well as the most consistent POI; it enhances the heat-resistant qualities.

This ultimate 6.5 Grendel barrel is made of stainless steel construction which is rust-proof and corrosion-resistant; it has a hybrid contour that is available in both black finish and stainless steel. The barrel extension is coated with nitride to offer a tighter barrel fit and reliability.

I’d not say this is an affordable option yet it gives the quality and precision beyond your expectations which is quite impressive. The Criterion Barrels are in connection with the finer thread pitch so it has the ability to overcome the higher chamber pressure in a better way.



3. BSF Barrels AR-15 6.5 Grendel Rifle Barrel

The BSF barrels 6.5 Grendel barrel is the lightest precision 6.5 barrel so it’s good for portability; one of the surprising benefits is the barrel remains rigid thus the rifling will be straight. 

You may have a doubt on whether the BSF barrel works well for long-range, absolutely yes; it perfectly fits for long-range shooters, if you’re a gun enthusiast and looking for the best lightweight barrels this will the right choice.

  • Caliber: 6.5mm Grendel
  • Barrel Profile: Contour
  • Threads per Inch: 5/8×24
  • Barrel Twist Rate: 1-8
  • Barrel Material: 416R Stainless Steel
  • Flutes: YES
  • Gun Make: AR Platform
  • Gun Model: AR-15
  • Rifling Profile: 5R

The 416p stainless steel barrel is wrapped in a carbon fiber sleeve to offer exceptional quality and a pleasant shooting experience. Due to this wrapping technique, the optimal heat transfer regime is attained so there will be no issues in the barrel during long-time usage. 

The reason for selecting the carbon material for rifling is it allows smooth rifling, thanks to its construction as it maintains barrel rigidity and strength.

The carbon fiber jacket enhances the cooling through vents and maximizes the lifespan, I’d recommend this barrel for gun enthusiasts who preferably use only the lightweight rifles, and the shots will be accurate so you will not miss even a single piece. 

This barrel isn’t as heat resistant as the full profile barrel yet the precision matters; it offers maximum precision when compared to a pencil profile barrel. These carbon fiber barrels don’t last long like the stainless steel barrels thus producing remarkable results in the field.



4. ODIN Works Grendel/LBC Barrel

Do you have an idea to use an AR-15 rifle in 6.5 Grendel? Go for Odin works as it will offer the expected results for you! The Odin 16″ profile barrel is well-constructed of 416R stainless steel which is mechanically accurate and durable thus it holds the best place in the industry. 

It’s a soft shooting gun that is mainly designed for softening the impulses when the bolt travels rearward. With its sophisticated design, elegant lines, sleek fit this ODIN Works barrel stays outstanding, the 16″ barrel is made of steel hand lapped button 8 twist rifling.

It comes very handy and can easily set in your upper and begin the shooting process. One of the interesting features of this barrel is the tunable gas block and the boosted accuracy which makes the tool work efficiently.

  • Fabric/Material: 416R Stainless Steel
  • Caliber: 6.5mm Grendel
  • Threads per Inch: 5/8×24
  • Barrel Twist Rate: 1-8
  • Button rifled: 1:8″ 
  • Hand lapped
  • Feed ramps: M4

Its 5R buttons have less casing deformation which is the major reason for maximum initial velocity without overheating the barrel. The top of the barrel is well-coated with a nickel Teflon which protects from corrosion and improves the fit between the extension and receiver. 

If the barrel surface is not protected the result could be negative but here you need not worry about such terms. The shooting accuracy is gone to the next level due to the dry lubricity. 

It’s a great tool for hunting and long-range shooting as it offers a tight fit with a high level of precision, if you’re shooting the tight groups at 100 yards away with an ODIN 16″ barrel you can get precise results. 

While reviewing the design part we’ve come to know that there is an index mark on the barrel which shows the precise position of the gas port thus making it easy to line up the gas block. If you’re a person who loves to use a soft shooting gun this will be an impressive model.



5. Faxon Firearms 16in, Big Gunner, 6.5 Grendel

Are you looking for upgrading your rifle? Then without a delay do it with Faxon 16″ 6.5 Grendel Barrel as it is the most demandable product specially manufactured for supplying to all the leading standards of the weapons industry.  The barrel is coated with Nickel Teflon which is completely nitride thus it ensures maximum durability and corrosion resistance. 

This is one of the best barrels in the industry which uses 5R rifling as they come with opposite grooves and a slight decrease in sharp angles which finely reduces jacket information as it increases the velocity. 

  • Barrel Material: 4150 CMV Steel
  • Barrel Type: Button Rifled
  • Barrel Caliber: 5.56
  • Barrel Twist: 1:8
  • Barrel Length: 16”
  • Finish: QPQ Nitride
  • Muzzle Thread: 1/2-28 TPI
  • Gas Block Diameter: .625″
  • Gas Block Journal Length: 1.9″
  • Barrel Extension: M4
  • Weight:  1.37 lbs (22 oz)

As it resists harmful elements the life of the Faxon 16″ barrel will be extended, this is possible only due to its nickel coating. This durable barrel will be suitable for mid-range shooters and not for long-range shooters, within 400 yards of shooting will be great. 

The M4 feed ramps are cut perfectly across the Faxon barrels and the gas block holes were in the exact position that’s why the installation process is quite easy. For 160$ you can’t the barrel with extreme quality and soft shoots but Faxon 16″ barrel stands different because the build quality and target shoots are amazing. 

Almost 90% of people were satisfied with this set of features and that’s enough for shooting 300+ yards at smaller targets. I’ve field-tested the barrel and was able to hit 300 yards with 1x Aim point successfully. 

If you need the best barrel that too in an affordable range this is gonna be the right option, also it provides a great balance between the weight and performance in a barrel. 



6. JP Enterprises JP Supermatch Barrel 6.5 Grendel

JP Enterprises holds a superior position in the firearms industry due to its high-quality products and standards. It has been producing only the competition-grade component that’s why we’ve ranked it under Top 10 in our list. 

Most buyers reported that there are no issues in the construction and quality, one of the impressive features that make it unique from other brands in the implementation of advanced techniques. These barrels are both air gauged and cryogenically tested so it produces precise dimension and bore consistency. 

  • Finish: Machined Stainless
  • Fabric/Material: 416R Stainless
  • Caliber: 6.5mm Grendel
  • Gas System Length: Rifle Length
  • Threads per Inch: 5/8×24
  • Barrel Twist Rate: 1-8

Almost 90% of buyers like its stainless steel construction, the high-quality 416 steel are used and thus the barrel weighs less, it is corrosion-resistant too.

The barrel length is 22″ which is quite impressive and the twist of 1:8 is well-suited for long-range shooting. I’ve field-tested this barrel and found that it provides excellent accuracy with minimal thermal drift. 

The best-treated steel is the major reason for consistent precision as the barrel heats up, so the point of impact is the same if the bore is cold or hot. It has a built-in JP Enhanced bolt which is constructed from SAE 9310 steel that has a plastic core.

If you’re looking for a precision, consistency, flawless fit this will perfectly fit you, this is specifically for long-range shooters. The barrel is air gauged and remarkably reliable bolt produces excellent precision. The JP barrel offers a longer lifespan and accuracy which is a double treat for gun enthusiasts who love long-range shooting.



7. Ballistic Advantage Premium Series 6.5 Grendel

If you’re building a compact 6.5 Grendel rifle, the Ballistic Advantage Premium Series 6.5 Grendel will be the perfect choice for you. 

This barrel is 12.5 inches, it is compact enough to carry it wherever you go, and most of the recent buyers recommend this product due to its lightness. 

  • Material: 416R Stainless Steel
  • Profile: Hanson
  • Finish: Bead Blasted
  • Gas System Length: Mid-length
  • Gas Block Journal: .875in.
  • Twist Rate: 1
  • Muzzle: 5/8×24 Threaded
  • Weight: 57oz

Thanks to its first-class upgrade for firearms as the firing performance will be significantly increased, the anti-corrosion coating of the barrel is the reason for maintaining the quality of barrel and rifle. This is the best option for short to mid-range shooters. 

The Ballistic 6.5 Grendel Barrel delivers a shoulder-less design, which means it restricts the barrel whip and thus enables the barrel to revert to the home position. The recoil impulse is reasonably soft which is worth investing in this barrel.

Additionally, this barrel uses a Hanson profile yet the weight is the same as the medium taper profile, it is made of stainless steel but coated with a QPQ corrosion-resistant finish that retains the stainless steel aesthetic to keep away the rust. 

Actually, this 12.5″ barrel is not well-suited for long-range applications but provides an extreme performance if you’re building a 6.5 barrel SBR.



8. Faxon Firearms 20in, Heavy Fluted, 6.5 Grendel

The Faxon Firearms boasts a durable as well as precise 20-inch barrel which is constructed of 416R stainless steel, the black nitride coating on both internal and external sides makes the barrel last for a long time.

It uses 5R rifling technology which means the opposite grooves are used and thus the sharp angles are reduced. Faxon firearm products are mostly crafted of nitride to increase the reliability of the 6.5 Grendel barrel, thus it will be corrosion-resistant and scratch-resistant. 

  • Cartridge: 6.5 Grendel
  • Contour: Heavy
  • Finish: Black
  • Gas System Length: Rifle
  • Length: 20″
  • Muzzle Threads: 5/8-24
  • Twist: 1-8

The Faxon’s 20″ barrel will be well-suited for the long-range shooters, our team of experts tried using this tool for competition shooting and hunting, in the end, the result is impressive, and it delivers good precision with high accuracy. 

The bullet velocity can be significantly increased while using the opposite grooves it also gradually decreases the corrosion deposits thus the cleaning process will be quite easier after shooting or hunting. 

Thanks to its fluted contour design which is impressive and attractive to new buyers too, fluting is nothing but the grooves on the barrel’s exterior or down its length also it neglects some extra weight and leads to ease of use. 

It brings the contact of air with the barrel which results in cooling so if you’re a person who shoots for a long time go for this one.



9. Alexander Arms AR-15 Barrel

Alexander Arms is a durable, stainless steel material that offers superior performance for a long-range shooter; it can give better results for hunting, competition settings, or target practice. The barrel is light so if you’re planning to build a lightweight firearm this will be useful.

  • Fabric/Material: Stainless Steel
  • Caliber: 6.5mm Grendel
  • Gas Block Journal Size-Diameter: .875 in
  • Threads per Inch: 9/16×24
  • Barrel Material: 416R Stainless Steel
  • Gun Make: AR Platform
  • Gun Model: AR-15
  • Weight: 2.5 lb

One of the essential factors of the 6.5 Grendel barrel is the carbine length, especially the barrel twist rate, it is 1:7:5 twist. Alexander AR-15 barrel is button-rifled is a solid process that creates a way for a uniform groove. 

It boasts a 1:7:5 twist, the shorter pipe yet it is capable of stabilizing heavier bullets, the most surprising benefits of Alexander barrel is it makes the process easy to get into the inclusion barrel. 

The aesthetic black color structure is appealing and eye-catchy for most buyers it gives a premium look to the barrel; also the construction of the barrel is awesome which increase the lifespan without investing extra money. 

Installation is quite easy, even if you’re in a target shooting the barrel can be fixed within few seconds. It delivers fluting so the weight will be reduced to maximum for the gun owners who are trying to build a lighter 6.5 Grendel barrel.



10. Faxon Firearms 12 inch Gunner Profile 6.5 Grendel Barrel

The 12″ Faxon firearm Gunner profile comes with a better design when compared to previous models; the weight also has been gradually reduced from the front portion which means you’ll get more versatility. 

It is crafted from a 416R stainless steel material which aids in the long-lasting quality and the nitride coating ensures the barrel life and thus prevents other harmful elements. 

  • Finish: Nitride
  • Caliber: 6.5mm Grendel
  • Barrel Length:12 in
  • Barrel Profile: Gunner
  • Gas System Length: Carbine Length
  • Gas Block Journal Size-Diameter: .750 in
  • Threads per Inch: 5/8×24

An extension of this 12-inch barrel is well-coated with Nickel Teflon at the interior and exterior which aids in superior dry lubrication, increased corrosion-resistance in turn it fits more perfectly into the receiver. 

Actually the 12″ Gunner profile is manufactured by combining the two of the most accomplished faces one is Pencil and the other is Government, the Gunner is the main factor for adapting the Government’s profile from its extension to its gas block and taper. 

It moves smoothly to a .750″ block journal and pencil profile out the front. I personally like the entire housing of this barrel because it is 100% manufactured using the best-quality materials which makes it unique from other products.



Features to Consider When Buying Grendel Barrel for Your Next Hunt

  • Barrel Length

The barrel length is the most significant part to consider as it is the deciding factor in how far you can fire your rifle. If the barrel is longer, you’ll attain a longer distance and range while shooting, and can cover accurate shots within no time.

  • Barrel Rifling / Twist Rate

It’s good to pick the barrel that can efficiently handle the bullet weights of any type, the above-listed models have the best barrel rifling and twist rate, so far, and it is the 1:8 which is most reliable. 

The twist rate is nothing but the total number of inches that your bullets go in to complete the rotation before it exits the barrel. The twist rate relies on the weight of the bullet you use. For 160 grains of bullet weight, a 1:9 twist rate is adequate while 80 grains of bullet weight needs a 1:12 twist rate.

  • Fluting / Contour

While you’re looking for the best Grendel barrel for your next hunt it is good to go for a fluted barrel option because it will be light as the air and cool down quickly. What does fluting a barrel mean? It makes the surroundings free from contours as well as textures, the result will be 100% refined. If you’re in confusion just pair it with a 20″ barrel and see what the performance of 6.5 Grendel rounds is.

  • Material and Durability

Durability is a notable feature to consider while zeroing the 6.5 Grendel barrels, while investing in a barrel it’s good to ensure longevity so that you can use it for many years and enjoy it. 

The materials used in constructing the barrels are carbon fiber, aircraft-grade aluminum, titanium, and stainless steel which are tough and durable. Most of the buyers reported that stainless steel is the best among other materials.

 If you’re willing to shoot in the outdoors with your barrel, then the barrel must be able to perform well in any kind of climatic conditions, it should be corrosion and rust-resistant. Look into the barrel’s coating or covering to ensure the longevity.

Advantages of 6.5 Grendel Barrel

Buying the best 6.5 Grendel Barrel is a worthy investment and a great upgrade for your rifle. Many gun enthusiasts and long-range shooters have reported most of our listed products as the best as it comes with a bundle of benefits and perks.

  • Accuracy

If you’re a serious hunter then without the right tool your shots will not be accurate and precise, in the world of hunting, precision is very important because it has the power to either make or break the shot. In this 6.5 Grendel barrel, there is low recoil and an accurate caliber which leads to perfect shots, thus you need not spend time fixing the mark. If you’re a long-range shooter then gently enhance your rifle’s accuracy by upgrading to a special barrel.

  • Design

 Most of our listed models are sleek and compact which enhances the look of the barrel if you’re a person who loves to spend time searching for appealing designs go for 6.5 Grendel barrels. It is one of the excellent firing tools which make you proud in the place of your arsenal.

  • Performance 

It is the greatest benefit of a 6.5 Grendel barrel as it allows the user to undertake any improvements or upgrades without changing or modifying your needs. Compatibility is also not an issue here; you’d have brakes and compensators already with a pre-threaded muzzle. 

  • Repetitive Costs 

Actually rifles are quite expensive, it depends on how you maintain them and fire. A barrel must be replaced after 10,000 to 20,000 rounds, if you buy the top quality barrels it can offer you more than 20,000 rounds and can have a longer life, yet you need not change the barrel often. Invest in a high-quality barrel and enjoy its benefits. With a 6.5 Grendel barrel, you have a lot of options to look for.

Final Thoughts

Investing in the right barrel will give you accuracy and precision and thus proves to be a long-lasting tool for shooting or hunting. The effectiveness of the rifle relies on the barrel, so go for the right one. The best 6.5 Grendel Barrel must have proper weight, contour, twist rate, length, rust-proof and scratch-proof ability, to perform well either in mid-range or long-range. 

Some of the barrels may be costly yet worth the money, I hope that you may have got a clear idea in choosing the barrel for your next build, enjoy your shooting without any disruption.

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