AR-15 Barrels
The AR-15 barrel is one of the most critical parts of your AR-15 – let AT3 Tactical help you find the right AR-15 barrel for your setup.
Barrels come in a variety of lengths, materials, and designs to serve the specific purpose of your weapon. Learn more about AR-15 barrels in our article: Choosing an AR15 Barrel – 5 Things to Consider READ MORE
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- Barrels - Ballistic Advantage (77)
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- Barrels - .223/5.56 (136)
- Barrels - .308/AR-10 Parts (37)
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- Barrels - .300 Blackout (16)
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- Barrels - Black (84)
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Aero Precision 13.7″ 5.56 Cold Hammer Forged Barrel w/Dimple – Mid-Length
Precise Performance from Aero's 13.7" CHF 5.56 Barrel This 13.7" cold hammer forged 5.56 barrel provides match-grade accuracy and durability for your AR-15 build. Precision mandrel-formed from 4150 CMV steel,... -
Aero Precision 13.9″ 5.56 Chrome Moly Vanadium Barrel – Mid-Length
Optimized Handling from Aero's 13.9" 5.56 Mid-Length Barrel This 13.9" 5.56 mid-length barrel strikes an ideal balance of maneuverability and ballistics for your AR-15 build. Machined from durable 4150 CMV... -
NEW
KAK Industry 10.5 Inch OE-SPEC .308 WIN AR-10 Barrel
Ultra-Compact .308 Firepower with KAK's 10.5" Barrel This 10.5" .308 WIN barrel delivers unwavering CQB capability for your AR-10 platform. The durable 41V50 chrome moly construction has a nitride finish... -
NEW
KAK Industry 13.9 Inch OE-SPEC 7.62×39 AR-15 Barrel
Reliable 7.62x39 Performance with KAK's 13.9" Barrel Enhance the capabilities of your AR-15 rifle with the KAK Industry 13.9 Inch OE-SPEC 7.62x39 AR-15 Barrel. This meticulously crafted barrel is designed... -
NEW
KAK Industry 12.5 Inch 5.56 NATO AR-15 Barrel
Elevate Your AR-15 Performance with KAK Industry's 12.5 Inch 5.56 NATO Barrel Introducing the KAK Industry 12.5 Inch 5.56 NATO AR-15 Barrel from the VALUE-LINE series – a mid-length gas... -
NEW
KAK Industry 18 Inch Stainless Steel .308 WIN AR-10 Barrel
KAK Industry 18 Inch Stainless Steel .308 WIN AR-10 Barrel Unleash the power of the .308 Winchester/7.62 NATO caliber with the KAK 308 WIN 18" AR10 Barrel. Designed for peak... -
NEW
KAK Industry 7.5 Inch 5.56 NATO AR-15 Barrel
Enhance Your AR-15 Pistol Build with KAK Industry's 7.5 Inch 5.56 NATO Barrel Meet the KAK Industry 7.5 Inch 5.56 NATO AR-15 Barrel from the VALUE-LINE series, designed specifically for... -
NEW
KAK Industry 13.9 Inch OE-SPEC 5.56 AR-15 Barrel
Enhance Your AR-15 Build with KAK Industry's 13.9 Inch OE-SPEC 5.56 Barrel Introducing the KAK Industry 13.9 Inch OE-SPEC 5.56 AR-15 Barrel from the VALUE-LINE series – a mid-length gas... -
NEW
KAK Industry 19 Inch .243 WIN AR-10 Barrel
Enhance your LR-308 with KAK's 19" .243 WIN Rifle Barrel This 19" barrel brings lightweight .243 Winchester capability to your AR-10 platform. The durable 41V50 chrome moly construction has a... -
NEW
KAK Industry 20 Inch Chrome Lined 5.56 AR-15 Barrel
Elevate Your Long-Range Performance with KAK Industry's 20 Inch Chrome Lined 5.56 Barrel Upgrade your AR-15 with the KAK Industry 20-inch Chrome Lined 5.56 AR-15 Barrel, specifically designed for long-range... -
NEW
KAK Industry 12.5 Inch OE-SPEC .308 WIN AR-10 Barrel
Compact .308 Firepower for your AR-10 with KAK's 12.5" Barrel This 12.5" .308 WIN barrel delivers robust mid-range capability in a nimble AR-10 package. The durable 41V50 chrome moly construction... -
NEW
KAK Industry 16 Inch Stainless Fluted AR-15 5.56 Barrel
Superior Style with KAK's 16" Fluted Stainless Barrel This 16-inch fluted stainless steel barrel provides optimized maneuverability and match-grade accuracy for your 5.56 AR-15. Constructed from corrosion-resistant 416 stainless steel,... -
NEW
KAK Industry 8 Inch OE-Spec 9mm AR-15 Barrel
Ultra-Compact 9mm Firepower with KAK's 8" Barrel This 8" barrel provides versatile 9mm capability in an incredibly compact AR platform. The military-grade 41V50 chrome moly construction has a melonite finish... -
NEW
KAK Industry 16 Inch Cold Hammer Forged 5.56 NATO AR-15 Barrel
Superior Accuracy and Durability with KAK's 16" CHF Barrel This 16-inch cold hammer forged barrel provides match-grade performance and longevity for your AR-15 platform. The barrel is precision formed from... -
NEW
KAK Industry 11 Inch OE-SPEC 7.62×39 AR-15 Barrel
Enhance Your AR-15 with KAK Industry's 11 Inch OE-SPEC 7.62x39 Barrel Unlock the full potential of your AR-15 with the KAK Industry 11 Inch OE-SPEC 7.62x39 AR-15 Barrel. This value-line,... -
NEW
KAK Industry 16 Inch Stainless Steel .308 WIN AR-10 Barrel
Bring Stainless Reliability to your AR-10 with KAK's 16" .308 Barrel This 16" stainless steel barrel provides unwavering .308 WIN/7.62 NATO performance for your AR-10 rifle. The durable 416 stainless... -
NEW
KAK Industry 6.25 Inch Stainless 5.56 NATO AR-15 Barrel
Discover Unparalleled Performance with the KAK Industry 6.25 Inch Stainless 5.56 NATO AR-15 Barrel Elevate your AR-15 pistol build with the KAK 6.25 Inch Stainless Barrel, meticulously crafted in-house from... -
NEW
KAK Industry 5.25 Inch OE-Spec .45 ACP AR-15 Barrel
Micro-Compact .45 ACP Power with KAK's 5.25" Barrel This 5.25" barrel transforms your AR pistol into a hard-hitting .45 ACP platform. The military-grade 41V50 chrome moly construction has a nitride... -
NEW
KAK Industry 8 Inch OE-Spec .45 ACP AR-15 Barrel
Compact .45 ACP Firepower with KAK's 8" Barrel This 8" barrel packs heavyweight .45 ACP performance into a nimble package. The military-grade 41V50 chrome moly build has a melonite finish... -
NEW
KAK Industry 12.5 Inch Stainless Steel Midlength Gas .358 WIN AR-10 Barrel
Meet "The Undertaker" – KAK Industry's 12.5" Stainless Steel Midlength Gas .358 WIN AR-10 Barrel Designed for those seeking precision in the LR-308 platform, "The Undertaker" KAK 358 Winchester Barrel... -
NEW
KAK Industry 16 Inch OE-Spec .45 ACP AR-15 Barrel
Unleash .45 ACP Power from Your AR Platform with KAK's 16" Barrel This contract-grade 16" barrel brings stout .45 ACP performance to your AR-15 build. The military-spec 41V50 chrome moly... -
NEW
KAK Industry 6.25 Inch Stainless Steel 300 Blackout AR-15 Barrel
Ultra-Compact Precision in 300 BLK - KAK's 6.25" Stainless "Baby Blond" This 6.25" 300 Blackout barrel brings match-grade accuracy to your AR pistol build. The premium 416 stainless steel construction... -
NEW
KAK Industry 16 Inch Stainless Steel Midlength Gas .358 WIN AR-10 Barrel
Versatile .358 Winchester Performance with KAK's 16" Barrel Unlock the versatility of .358 Winchester with the KAK Industry 16-inch Stainless Steel Midlength Gas AR-10 Barrel. Designed for LR-308 builds, this... -
NEW
KAK Industry 19 Inch Stainless Steel Rifle Gas .358 WIN AR-10 Barrel
Enhance your LR-308 with KAK's 19" .358 WIN Stainless Barrel This 19" stainless steel barrel brings hard-hitting .358 Winchester capability to your AR-10 platform. The durable 416 stainless construction has...
Other AR-15 Upper Receiver Components:
AR 15 Charging Handles
AR 15 Gas Blocks & Tubes
AR 15 Handguards & Quad Rails
AR-15 Barrels
AR-15 Bolt Carrier Groups
AR-15 Front Grips
AR-15 Upper Receivers and Parts
Muzzle Devices
AR-15 Handguard Accessories