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Here are 8 best AR15 barrel manufacturers to consider when you are building your rifle or replacing the barrel. Most manufacturers make great barrels in different length and profiles. Check it out below:

Best AR15 Barrel Manufacturers

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Faxon Firearms

Known for their affordable yet high-quality AR15 barrels, Faxon Firearms uses their aerospace background to produce barrels in-house.

faxon firearms ar15 barrel

Their notable product is the “Gunner” profile barrel, which combines features from Government and Pencil profiles for heat resistance and reduced weight.

They offer various barrel lengths and types, including options for 5.56 chamber, .223 Wylde chamber, and barrels suitable for short-barreled rifles or AR-pistols.

Ballistic Advantage

Ballistic Advantage manufacturer is praised for its diverse range of barrel profiles, catering to different needs from pencil profiles to heavy or DMR applications.

ballistic advantage ar15 barrels

They offer barrels in various calibers, including .223 Wylde and 5.56 NATO, with unique features like the Hanson Barrel profile for reduced barrel whip. Most local gun shops carry their barrels as they have become a very popular barrel option for AR15 builders.

Rosco Manufacturing

An emerging brand known for a mix of reliability, accuracy, and affordability.

rosco mfg ar15 barrels

Rosco Manufacturing offers barrels like the K9 series with a proprietary “Patrol Length” gas system for reduced recoil and improved reliability. They also provide options for complete build kits.

Fabrique Nationale (FN)

fn barrels

FN barrels stand out for their exceptional quality, often made using cold hammer-forged steel. This process not only ensures a denser and more durable barrel but also allows for more precise rifling, significantly improving accuracy.

The use of FN barrels in various firearms including the iconic SCAR rifles, M240 and M249 belt fed machine guns. If you want something that last, FN is the way to go.

BCM

Bravo Company Manufacturing (BCM) is highly regarded in the tactical community for its superior firearms and components. They have been around for a long time making no bs AR15 parts before other Gucci companies came to the market.

bcm ar15 barrels

Their barrels are made from high-grade steel with a chrome lining, enhancing durability and corrosion resistance. Chambers including 5.56 and 300 blackout. BCM offers a variety of barrel lengths and profiles, including lightweight, standard, and enhanced versions, catering to a diverse range of AR15 needs.

Daniel Defense

Daniel Defense, known for their iconic M4A1 and MK18 rifles, and they also sell their cold hammer-forged barrels for AR15 builders. These barrels are made from a proprietary blend of steel, undergo rigorous quality control, ensuring consistency and performance.

daniel defense ar15 barrels

Daniel Defense provides a wide range of barrel lengths and profiles including government profile, hanson, pencil and standard. Also in various 

Rainier Arms

rainier arms ar15 barrels

Specializing in accuracy, Rainier Arms offers the Ultramatch series, which includes features like an 18-inch length, rifle-length gas system, .223 Wylde chamber, and stainless steel construction with TiN-coated extension.

Christensen Arms

christensen arms ar15 barrels

Known for pioneering carbon fiber barrels, Christensen Arms offers high-end barrels that excel in accuracy, durability, and barrel life. They provide a variety of calibers and lengths, with a focus on lightweight and high-performance barrels.