AR-15 Barrels
AR-15 Barrels
AR-15 Barrels from Black Rifle Depot offer a wide range of options for your next build or upgrade. With a variety of brands to choose from, including some of the industry's most trusted names, you can find the perfect barrel to meet your specific needs. Available in a range of lengths, from 7 inches to 24 inches, you can select the perfect length for your desired shooting style or application. And with different calibers available, including 5.56 NATO, .223 Remington, and 300 Blackout, you can choose the right barrel for your desired performance. Whether you're looking to upgrade your current rifle, or starting a new build, Black Rifle Depot has the perfect AR-15 Barrel for you.
Frequently Asked Questions About AR-15 Barrels
- What is the best barrel length for an AR-15?
The best barrel length depends on your intended use. A 16-inch barrel is the most versatile and common option, offering a balance between velocity, accuracy, and maneuverability. Longer barrels, such as 18-20 inches, are ideal for precision shooting and extended range, while shorter barrels under 16 inches (NFA regulations apply) are better for close-quarters use and lightweight builds. - What is the difference between a chrome-lined and a non-chrome-lined barrel?
Chrome-lined barrels are coated internally to improve durability and resist corrosion, making them ideal for high-volume or adverse conditions. Non-chrome-lined barrels, such as nitrided or untreated options, often provide slightly better accuracy due to their smoother internal surface but may wear faster with heavy use. - What does barrel twist rate mean, and how does it affect performance?
The twist rate refers to the rate at which the rifling inside the barrel spins the bullet, expressed as a ratio (e.g., 1:8). It determines the stability of different bullet weights. A 1:8 twist rate is versatile, stabilizing a wide range of bullet weights from 35 to 77 grains. A 1:7 twist is optimal for heavier bullets, while 1:9 is better suited for lighter projectiles. - Should I choose a stainless steel or chrome-moly steel barrel?
Stainless steel barrels are preferred for precision shooting due to their tight tolerances and superior accuracy, though they may wear out faster under high-volume shooting. Chrome-moly steel barrels are more durable and handle heat better, making them a better choice for general-purpose or high-round-count use. - What is the advantage of a fluted AR-15 barrel?
Fluting reduces a barrel’s weight while maintaining its rigidity, improving balance and reducing fatigue during extended use. While the increased surface area of fluting may aid in cooling slightly, the primary advantage is the weight reduction without sacrificing strength. - What are the pros and cons of a heavy (bull) barrel vs. a lightweight barrel?
A heavy barrel offers greater stability, heat resistance, and reduced barrel whip, making it ideal for precision shooting and sustained fire. However, it adds significant weight, reducing maneuverability. A lightweight barrel enhances portability and is better suited for dynamic shooting scenarios but may heat up faster and is less stable for precision shooting. - What is a free-floating barrel, and how does it impact accuracy?
A free-floating barrel is not in contact with the handguard, allowing it to vibrate naturally without interference. This design improves accuracy by eliminating pressure points and inconsistencies caused by external forces on the barrel. - What is the difference between a carbine, mid-length, and rifle-length gas system?
The gas system length affects cycling and recoil. A carbine-length system is designed for shorter barrels and produces sharper recoil due to higher gas pressure. Mid-length systems are optimized for 14.5-16 inch barrels, providing smoother operation and reduced wear. Rifle-length systems work best with barrels 18 inches or longer, offering the softest recoil and most consistent cycling. - What type of barrel profile is best for an AR-15?
The best profile depends on your intended use. Lightweight or pencil profiles are ideal for reducing weight and improving handling, while heavy profiles provide better heat resistance and accuracy under sustained fire. Hybrid profiles, such as SOCOM or government profiles, offer a balance of weight and durability. - What are the benefits of a carbon fiber AR-15 barrel?
Carbon fiber barrels combine a lightweight design with exceptional rigidity and heat dissipation. They provide the accuracy of a heavy barrel without the extra weight, making them a top choice for shooters who prioritize performance and portability. However, they tend to be more expensive than traditional steel barrels.
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Rosco Manufacturing Bloodline 16" 5.56 Heavy 1:7 Twist Black Nitride Cabine Barrel
Rosco Manufacturing
MSRP: $186.00$164.95Rosco's Bloodline 16" 5.56 Heavy Barrel: This Rosco 16" 5.56 Heavy Barrel (HB) was made to cater to end users who need to run their guns hard without any remorse. The heavy contour barrel is well suited for full auto use and abuse. Our Rosco 5.56 (NATO)...MSRP: $186.00$164.95 -
Rosco Manufacturing K9 13.95" 5.56 Hybrid 1:7 Twist Black Nitride Midlength Barrel
Rosco Manufacturing
MSRP: $200.00$179.95The K9 13.95 features a mid-length gas system with an optimized gas port to run reliably suppressed and/or unsuppressed. The K9 continuous taper is the most effective profile to dissipate heat from hard use. With weight shifted to the back of...MSRP: $200.00$179.95 -
16" 5.56 Parkerized 1:9 Twist Carbine Length Barrel
Black Rifle Depot
MSRP: $129.95$94.9516" 5.56 Parkerized 1:9 Twist Carbine Length Barrel We collaborate with leading machine shops and barrel manufacturers at Black Rifle Depot to offer exceptional barrels under the BRD brand. By sourcing from top-tier American manufacturers and purchasing...MSRP: $129.95$94.95 -
Ballistic Advantage 13.9" 5.56 NATO Government Barrel
Ballistic Advantage
MSRP: $160.00$119.95Ballistic Advantage 13.9" 5.56 NATO Government Barrel Upgrade your firearm's performance with the Ballistic Advantage 13.9" 5.56 NATO Government Barrel. Precision-engineered from 4150 Chrome Moly Vanadium steel, this mid-length modern series barrel is...MSRP: $160.00$119.95 -
10.5" .223 Wylde AR 15 Barrel
Black Rifle Depot
$99.9510.5" .223 Wylde Barrel Black Rifle Depot's .223 Wylde barrels are manufactured from 4150 Chrome Moly Vanadium barrel steel with button rifling and QpQ Nitride treatment for extra corrosion resistance and barrel life. All Black Rifle barrels have a 1"...$99.95 -
Ballistic Advantage 16" 5.56 BA Hanson Midlength Performance Series Barrel w/ Pinned .750 Lo Pro Gas Block
Ballistic Advantage
MSRP: $230.00$218.00Ballistic Advantage 16" 5.56 BA Hanson Midlength Performance Series Barrel w/ Pinned .750 Lo Pro Gas Block This 5.56 chambered 16 inch Performance Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish. Our...MSRP: $230.00$218.00 -
Faxon Firearms 14.5" GUNNER 5.56 NATO Mid-Length 4150 Nitride / Melonite Barrel
Faxon Firearms
MSRP: $170.00$156.40Faxon Firearms 14.5" GUNNER 5.56 NATO Mid-Length 4150 Nitride / Melonite Barrel The Gunner profile is a blend of two of the best performing profiles of all time, Gov’t and Pencil. Proving that every once and awhile, the Government can do something...MSRP: $170.00$156.40 -
Rosco Manufacturing Bloodline 11.5 Carbine 5.56 Sauce Pack
Rosco Manufacturing
$312.00Rosco Manufacturing Bloodline 11.5 Carbine 5.56 Sauce Pack Getting the perfect components to finish your build can sometimes be a pain, especially if you find yourself with parts that you thought should work together that somehow don't when you get ready...$312.00 -
Spike's Tactical 16" 5.56 NATO LE Profile AR 15 Barrel
Spike's Tactical
MSRP: $319.95$289.95Spike's Tactical 16" 5.56 NATO LE Profile AR 15 Barrel The barrel is one of the most critical components of your build. Spike's tactical only offers high quality barrels so you can be confident that your rifle will be off to a good start with which ever...MSRP: $319.95$289.95 -
10.5" 416R Stainless Steel M4 Contour Barrel, 5.56 NATO, Carbine Length Gas
Black Rifle Depot
MSRP: $129.95$109.9510.5" 416R Stainless Steel M4 Contour Barrel, 5.56 NATO, Carbine Length Gas The 10.5" 416R Stainless Steel M4 Contour Barrel from Black Rifle Depot is an ideal choice for AR-15 enthusiasts looking for top-tier performance and durability. Precision...MSRP: $129.95$109.95 -
10.5" 5.56 Stainless Steel Carbine 1:7 Medium Barrel
Black Rifle Depot
MSRP: $149.95$139.9510.5" 5.56 Stainless Steel Carbine 1:7 Medium Barrel We collaborate with top-tier machine shops and barrel manufacturers at Black Rifle Depot to offer premium barrels under the BRD brand. By sourcing these high-quality barrels from reputable American...MSRP: $149.95$139.95 -
13.9" 5.56 NATO 1:7 Black Nitride Midlength Pencil Barrel
Black Rifle Depot
MSRP: $149.95$109.9513.9" 5.56 NATO 1:7 Black Nitride Midlength Pencil Barrel This 13.9-inch pencil profile barrel, tailored for the AR-15 platform with a 5.56 NATO chamber, features a 1:7 twist rate and is equipped with a mid-length gas system. The durable...MSRP: $149.95$109.95 -
14.5" 5.56 Chrome-Lined M4 1:9 Carbine Length Barrel w/ FSB - Phosphate
Black Rifle Depot
MSRP: $215.95$195.9514.5" 5.56 Chrome-Lined M4 1:9 Carbine Length Barrel w/ FSB - Phosphate Durability and Performance in a Compact DesignThe 14.5" 5.56 Chrome-Lined M4 1:9 Carbine Length Barrel with FSB from Black Rifle Depot is built for reliability, precision, and...MSRP: $215.95$195.95 -
14.5" 5.56 NATO 1:7 Black Nitride Midlength Pencil Barrel
Black Rifle Depot
MSRP: $149.95$109.9514.5" 5.56 NATO 1:7 Black Nitride Mid-length Pencil Barrel We collaborate with top-tier machine shops and barrel manufacturers at Black Rifle Depot to offer premium barrels under the BRD brand. By sourcing these high-quality barrels from reputable...MSRP: $149.95$109.95 -
16 5.56 Heavy Contour 1:7 Carbine Barrel w/ FSB - Phosphate
Black Rifle Depot
MSRP: $180.95$171.9516 5.56 Heavy Contour 1:7 Carbine Barrel w/ FSB - Phosphate The 16" 5.56 Heavy Contour Carbine Barrel with FSB - Phosphate is an exceptional choice for enthusiasts looking to build an A2 pattern rifle. This robust barrel, weighing 40.8 oz, features a...MSRP: $180.95$171.95 -
16" 5.56 16" Parkerized Carbine Heavy Barrel
Black Rifle Depot
MSRP: $129.95$99.9516" 5.56 16" Parkerized Carbine Heavy Barrel We collaborate with leading machine shops and barrel manufacturers at Black Rifle Depot to offer exceptional barrels under the BRD brand. By sourcing from top-tier American manufacturers and purchasing in...MSRP: $129.95$99.95 -
16" 5.56 NATO 1:7 Twist Mid-Length Parkerized Barrel
Black Rifle Depot
MSRP: $124.95$109.9516" 5.56 NATO 1:7 Twist Mid-Length Parkerized Barrel We collaborate with leading machine shops and barrel manufacturers at Black Rifle Depot to offer exceptional barrels under the BRD brand. By sourcing from top-tier American manufacturers and purchasing...MSRP: $124.95$109.95 -
16" 5.56 Parkerized 1:7 Carbine Length Barrel
Black Rifle Depot
MSRP: $99.95$94.9516" 5.56 Parkerized 1:7 Carbine Length Barrel We collaborate with leading machine shops and barrel manufacturers at Black Rifle Depot to offer exceptional barrels under the BRD brand. By sourcing from top-tier American manufacturers and purchasing in...MSRP: $99.95$94.95 -
20 5.56 Chrome-Lined Lightweight Contour 1:9 Rifle Length Barrel w/ FSB Pho
Black Rifle Depot
MSRP: $215.95$195.9520" 5.56 Chrome-Lined Lightweight Contour 1:9 Rifle Length Barrel w/ FSB Phosphate Experience precision and reliability with the BRD 20" 5.56 Chrome-Lined Lightweight Contour Rifle Length Barrel. This high-quality barrel features a 1:9 twist rate and a...MSRP: $215.95$195.95 -
20" Black Nitride 4150 Steel Heavy Barrel, 5.56 NATO, Rifle Length Gas System
Black Rifle Depot
$109.9520" Black Nitride 4150 Steel Heavy Barrel, 5.56 NATO, Rifle Length Gas System Built for High Performance and Reliability in Every Shot The 20" Black Nitride 4150 Steel Heavy Barrel chambered in 5.56 NATO offers a high-performance solution for AR-15...$109.95 -
5" 5.56 NATO 1:5 Micro Black Nitride Barrel
Black Rifle Depot
MSRP: $119.95$99.955" 5.56 NATO 1:5 Micro Black Nitride Barrel Precision and Compact Performance The 5" 5.56 NATO 1:5 Micro Black Nitride Barrel by Black Rifle Depot is a high-quality component sourced from trusted American Tier 1 manufacturers. Designed to provide...MSRP: $119.95$99.95 -
7.5" 5.56 NATO 1:7 Parkerized Pistol Length Barrel
Black Rifle Depot
MSRP: $109.95$98.957.5" 5.56 NATO 1:7 Parkerized Pistol Length Barrel Black Rifle Depot prides itself on partnering with premier machine shops and barrel manufacturers across the USA. When we discover a barrel maker that meets our exacting standards, we proudly private...MSRP: $109.95$98.95 -
7.5" 5.56 NATO 1:7 Stainless Steel Pistol Length Barrel
Black Rifle Depot
MSRP: $99.95$87.957.5" 5.56 NATO 1:7 Stainless Steel Pistol Length Barrel We take pride in partnering with top-tier machine shops and barrel manufacturers to offer you the best barrels under our BRD brand. When we identify a barrel maker that meets our high standards, we...MSRP: $99.95$87.95 -
Aero Precision 16" 5.56 Barrel With Mounted Front Sight, Mid-Length
Aero Precision
MSRP: $245.00$236.95Aero Precision 16″ 5.56 Barrel With Mounted Front Sight, Mid-Length AERO Precision 16" 5.56 NATO barrel with A2 mounted front sight and barrel nut is manufactured from 4150 Chrome Moly Vanadium barrel steel and is button rifled. These...MSRP: $245.00$236.95 -
Aero Precision 16" 5.56 CMV Carbine Barrel w/Pinned FSB
Aero Precision
MSRP: $240.00$202.95Aero Precision 16" 5.56 CMV Barrel w/Pinned FSB, Carbine Length This Aero Precision 16″ QPQ Nitride Barrel is chambered in 5.56 NATO with a 1:7 twist and features a pinned “F” marked FSB. A classic configuration, this barrel...MSRP: $240.00$202.95 -
Ballistic Advantage 10.3" 5.56 Government Profile Carbine AR-15 Barrel, Classic Series
Ballistic Advantage
MSRP: $160.00$152.00Ballistic Advantage 10.3" 5.56 Government Profile Carbine AR-15 Barrel, Classic Series This 5.56 chambered 10.3 inch Government Profile Classic Series Barrel is machined from 4150 Chrome Moly Vanadium steel with chrome lined bore and chamber with a...MSRP: $160.00$152.00 -
Ballistic Advantage 14.5" 5.56 M4 Profile Carbine AR-15 Barrel, Modern Series
Ballistic Advantage
MSRP: $155.00$147.25Ballistic Advantage 14.5" 5.56 M4 Profile Carbine AR-15 Barrel, Modern Series Unleash the full potential of your firearm when you upgrade your barrel to the Ballistic Advantage Modern Series 5.56 AR Rifle Barrel. Sturdy as can be, these AR15 Barrels by...MSRP: $155.00$147.25 -
Ballistic Advantage 16" 5.56 BA Hanson Midlength AR-15 Barrel w/ Lo Pro, Performance Series w/ Pinned .625" Lo-Pro Gas Block
Ballistic Advantage
MSRP: $235.00$223.25Ballistic Advantage 16" 5.56 BA Hanson Mid-length AR-15 Barrel w/ Lo Pro, Performance Series w/ Pinned .625" Lo-Pro Gas Block This Ballistic Advantage Performance Series 16" 5.56 Hanson Profile Barrel is machined using 4150 Chrome Moly Vanadium steel...MSRP: $235.00$223.25 -
Ballistic Advantage 16" 5.56 Hanson Midlength Cold Hammer Forged Barrel w/ .750 Low Pro Gas Block
Ballistic Advantage
MSRP: $330.00$313.50Ballistic Advantage 16" 5.56 Hanson Midlength Cold Hammer Forged Barrel w/ .750 Low Pro Gas Block This 5.56 NATO chambered 16 inch Cold Hammer Forged barrel is machined from CrMoV steel with a manganese phosphate finish and chrome lined bore. Our limited...MSRP: $330.00$313.50 -
Ballistic Advantage 17.7" 5.56 BA Hanson (3-Gun) Midlength Performance Series Barrel w/ Pinned Lo Pro Gas Block
Ballistic Advantage
MSRP: $235.00$223.25Ballistic Advantage 17.7" 5.56 BA Hanson (3-Gun) Mid-length Performance Series Barrel w/ Pinned Lo Pro Gas Block This 5.56 chambered 17.7 inch Performance Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant...MSRP: $235.00$223.25 -
Ballistic Advantage 18" 5.56 SPR Rifle Length Modern Series Barrel w/ Ops 12
Ballistic Advantage
MSRP: $175.00$166.25Ballistic Advantage 18" 5.56 SPR Rifle Length Modern Series Barrel w/ Ops 12 This 5.56 chambered 18 inch Modern Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ coated M4 feed ramp extension...MSRP: $175.00$166.25 -
Ballistic Advantage 8" 5.56 NATO Modern Series Barrel
Ballistic Advantage
MSRP: $120.00$114.00Ballistic Advantage 8" 5.56 NATO Modern Series Barrel This 5.56 chambered 8 inch Modern Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ coated M4 feed ramp extension. All NFA/ATF Rules...MSRP: $120.00$114.00 -
Ballistic Advantage Modern Series 5.56 Barrel Gov. Carbine - 11.5"
Ballistic Advantage
MSRP: $145.00$137.75Ballistic Advantage Modern Series 5.56 Barrel Gov. Carbine - 11.5" Chambered in 5.56 NATO, this Ballistic Advantage 11.5” barrel is a great option for building a short barrel rifle or even a pistol. This modern series barrel features all the...MSRP: $145.00$137.75 -
Bootleg Inc. 12.5 5.56 NATO 1:7 Twist Black Nitride Carbine Barrel
Bootleg Inc.
$179.95Bootleg Inc. 12.5 5.56 NATO 1:7 Twist Black Nitride Carbine Barrel Bootleg Inc. is now offering their own line of barrels, that are built to their exact specifications and built to last! Specifications: Barrel Material: 4150 CMV Steel Barrel Caliber: 5...$179.95 -
Centurion Arms Hammer Forged 5.56 Carbine Barrel - 11.5"
Centurion Arms
$275.00The Centurion Arms cold hammer forged 5.56 AR-15 barrels are made from high quality 41V50 Chrome Moly Vanadium—steel specifically designed for machine gun barrels—so you know it will last thousands of rounds. In order to get the 1:7 twist...$275.00 -
Centurion Arms Hammer Forged 5.56 Lightweight Mid-Length Barrel - 16"
Centurion Arms
$275.00The Centurion Arms cold hammer forged 5.56 AR-15 barrels are made from high quality 41V50 Chrome Moly Vanadium—steel specifically designed for machine gun barrels—so you know it will last thousands of rounds. In order to get the 1:7 twist...$275.00 -
Centurion Arms Hammer Forged 5.56 Mid-Length Barrel - 14.5"
Centurion Arms
MSRP: $275.00$270.95Centurion Arms Hammer Forged 5.56 Mid-Length Barrel - 14.5" The Centurion Arms cold hammer forged 5.56 AR-15 barrels are made from high quality 41V50 Chrome Moly Vanadium—steel specifically designed for machine gun barrels—so you know it will...MSRP: $275.00$270.95 -
Centurion Arms Midweight Hammer Forged 5.56 Carbine Barrel - 10.3"
Centurion Arms
$275.00The Centurion Arms cold hammer forged 5.56 AR-15 barrels are made from high quality 41V50 Chrome Moly Vanadium—steel specifically designed for machine gun barrels—so you know it will last thousands of rounds. In order to get the 1:7 twist...$275.00 -
Centurion Arms MK12 18 5.56 NATO 1:7 R5 416R Stainless Steel Rifle Length Barrel
Centurion Arms
$450.00Centurion Arms MK12 Rifle Barrels are the result of development done by the U.S. government to give Special Operations forces the best possible weapon system. Troops who have carried these Rifle Barrels from Centurion Arms give them high marks for...$450.00 -
Centurion Arms MK12 18" 5.56 NATO 1:7 416R Stainless Steel Rifle Length Barrel
Centurion Arms
MSRP: $450.00$427.95Centurion Arms MK12 18" 5.56 NATO 1:7 416R Stainless Steel Rifle Length Barrel These are Crane Spec. MK12 barrels. These barrels are the result of tens of thousands of dollars in development done by the U.S. government to give our Special Operations guys...MSRP: $450.00$427.95