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AR-15 Barrels

AR-15 Barrels & AR-10 Barrels for Custom Builds

Shop premium AR-15 barrels and AR-10 barrels designed for custom builds, performance upgrades, and precision shooting. Whether you're replacing an existing barrel or starting a new build, our selection of AR-15 barrel options delivers reliable accuracy, durability, and compatibility with standard platforms.

Browse a wide range of AR-15 barrels in different profiles and AR-15 barrel lengths to match your build style. From compact setups to longer precision configurations, our AR barrels are built to perform while giving you the flexibility to create a rifle tailored to your needs.

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  1. 5.56 NATO AR15 Barrel | Govt Profile Ballistic Advantage5.56 NATO AR15 Barrel | Govt Profile Ballistic Advantage Quick Shop
    5.56 NATO AR15 Barrel | Govt Profile Ballistic Advantage
    As low as $149.99
  2. .300 Blackout AR-15 Barrels, Ballistic Advantage Modern Series.300 Blackout AR-15 Barrels, Ballistic Advantage Modern Series Quick Shop
    .300 Blackout AR-15 Barrels, Ballistic Advantage Modern Series
    As low as $154.99
  3. 8.3" 9mm AR15 Barrel | Ballistic Advantage Modern Series8.3" 9mm AR15 Barrel | Ballistic Advantage Modern Series Quick Shop
    8.3" 9mm AR15 Barrel | Ballistic Advantage Modern Series
    $114.99
  4. AR15 Barrel Nut Wrench | .223/.308 Armorer Combo ToolAR15 Barrel Nut Wrench | .223/.308 Armorer Combo Tool Quick Shop
    AR15 Barrel Nut Wrench | .223/.308 Armorer Combo Tool
    $33.99
  5. 16" 6.5 Creedmoor AR10 Barrel | Ballistic Advantage Premium16" 6.5 Creedmoor AR10 Barrel | Ballistic Advantage Premium Quick Shop
    16" 6.5 Creedmoor AR10 Barrel | Ballistic Advantage Premium
    $199.99
  6. 16" .223 Wylde AR15 Barrel | SPR Ballistic Advantage Premium16" .223 Wylde AR15 Barrel | SPR Ballistic Advantage Premium Quick Shop
    16" .223 Wylde AR15 Barrel | SPR Ballistic Advantage Premium
    $189.99
  7. 16" 8.6 Blackout AR10 Barrel | Fluted HBAR Ballistic Advantage16" 8.6 Blackout AR10 Barrel | Fluted HBAR Ballistic Advantage Quick Shop
    16" 8.6 Blackout AR10 Barrel | Fluted HBAR Ballistic Advantage
    $260.00
  8. 12.5" 8.6 Blackout Barrel | Fluted DRP Ballistic Advantage12.5" 8.6 Blackout Barrel | Fluted DRP Ballistic Advantage Quick Shop
    12.5" 8.6 Blackout Barrel | Fluted DRP Ballistic Advantage
    $260.00
  9. AR15 Barrel Nut | Mil-Spec Steel for Delta Ring AssemblyAR15 Barrel Nut | Mil-Spec Steel for Delta Ring Assembly Quick Shop
    AR15 Barrel Nut | Mil-Spec Steel for Delta Ring Assembly
    $9.99

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  1. AR-15 Mil-Spec Rifle 7items
  2. Fits Both AR15 and AR10 Mil-Spec Rifles 1 item
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Choosing the Right AR-15 Barrel

Selecting the right AR-15 barrel depends on how you plan to use your rifle. Factors such as AR-15 barrel length, profile, gas system length, and twist rate all impact handling, recoil, and accuracy. Choosing the right AR-15 barrel setup ensures reliable performance and consistent shooting results.

For most builds, a mid-length gas system paired with a 16-inch AR-15 barrel offers an excellent balance of reliability, smooth cycling, and overall versatility.

AR-15 Barrel Lengths & Use Cases

  • 10.3″–11.5″ AR-15 barrels: Ideal for compact pistol or SBR builds
  • 14.5″–16″ AR-15 barrels: Most popular for general-purpose rifles
  • 18″+ AR-15 barrels: Designed for precision and longer-range shooting

Gas System Considerations

Gas system length plays a major role in how smoothly your rifle cycles. Carbine, mid-length, and rifle gas systems each offer different recoil characteristics depending on your AR-15 barrel length and configuration.

Matching your gas system to your AR-15 barrel helps reduce wear, improve reliability, and create a more consistent shooting experience.

Components to Pair with Your AR-15 Barrel

Complete your build by pairing your AR-15 barrel with the right supporting components:

Build with Confidence

Whether you're upgrading or starting from scratch, choosing the right AR-15 barrel is one of the most important decisions in your build. Pair it with quality components and the proper tools to ensure a reliable and accurate rifle.