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Barrels
AR-15 5.56 NATO Barrels in 1:7 Twist, Government Profile
White Label Armory stocks American-made, mil-spec AR-15 barrels chambered in 5.56 NATO with a 1:7 twist and Government profile. Available lengths run from 7.5" pistol-length and 10.5" or 11.5" carbine-length builds to 13.7", 14.5", and 16" mid-length configurations, so you can match the gas system to your intended build.
When selecting a barrel, consider how length and gas system length affect your build, along with muzzle threading for accessories such as the A2 flash hider with 1/2-28 threads. Browse the full Barrels & Gas selection to pair the right components for your platform.
This category serves AR enthusiasts and gunsmiths assembling complete uppers, as well as manufacturers sourcing barrels through white-label partnerships. Round out your project with build kits and receivers to complete the assembly.
What this category includes
- 5.56 NATO chambering across all barrels
- Lengths from 7.5" and 10.5" up to 16"
- Pistol, carbine, and mid-length gas systems
- 1:7 RH twist for heavier projectile stabilization
- Government profile contour
- 4150 CMV steel construction on select barrels
- .750" gas block journal option
- A2-style flash hider with 1/2-28 threading
Frequently Asked Questions
This category includes 5.56 NATO barrels in 7.5", 10.5", 11.5", 13.7", 14.5", and 16" lengths. Each has a 1:7 twist and Government profile. Choose the length that matches your intended gas system and build configuration.
Every barrel in this category is chambered in 5.56 NATO with a 1:7 twist and a Government profile. The 1:7 twist is a common rate for stabilizing a range of 5.56 bullet weights. Confirm the specification suits your intended load.
Our listings pair the barrel with its gas system: the 7.5" is pistol length, the 10.5" and 11.5" are carbine length, and the 13.7", 14.5", and 16" are mid-length. Match your gas block, gas tube, and handguard to that length. See our Barrels & Gas section for components.
Yes. White Label Armory manufactures American-made, mil-spec AR components, and these 5.56 NATO barrels are part of that line. If you have a specific dimensional or material requirement for your build, confirm the detail on the individual product page before ordering.
Yes. This category includes an A2 flash hider with 1/2-28 threading for 5.56. Verify that your barrel's muzzle threading matches before installing. You can also browse our Uppers & Parts for related components.
White Label Armory ships orders in 2-3 business days. Free shipping is available on qualifying orders. Once your barrel ships, you'll receive confirmation so you can track it for your build timeline.
Build on.
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