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AR-15 5.56 Barrels

At Palmetto State Armory, you can find the best in AR-15 barrels chambered in 5.56/.223 to finish off your dream build. We offer barrels from less than 14.5" to 20" to suit your build specs from brands such as Palmetto State Armory, Ballistic Advantage, FNH, and more. To match your barrel, check out our selection of AR-15 gas blocks, rails, and AR-15 muzzle devices. 

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  1. Faxon Firearms Mid-Length Button Rifled Gunner Barrel 5.56x45mm 16", Black

    Faxon Firearms Mid-Length Button Rifled Gunner Barrel 5.56x45mm 16", Black

    Regular Price $227.99 Special Price $204.99
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  2. FightLite Complete Barrel Assembly 5.56x45mm 16.25" Fits FightLite Belt-Fed MCR, Black

    FightLite Complete Barrel Assembly 5.56x45mm 16.25" Fits FightLite Belt-Fed MCR, Black

    $966.99
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  3. Faxon Firearms Medium Taper Button Rifled Barrel 5.56x45mm 12.50", Black

    Faxon Firearms Medium Taper Button Rifled Barrel 5.56x45mm 12.50", Black

    $184.99
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  4. Faxon Firearms Duty HBAR Button Rifled Barrel 5.56x45mm 16", Black

    Faxon Firearms Duty HBAR Button Rifled Barrel 5.56x45mm 16", Black

    $157.99
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  5. Larue Stealth M4 Barrel 5.56x45mm 20", Black

    Larue Stealth M4 Barrel 5.56x45mm 20", Black

    $310.99
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  6. Larue Stealth M4 Barrel 5.56x45mm 18", Black

    Larue Stealth M4 Barrel 5.56x45mm 18", Black

    $310.99
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  7. Larue Stealth M4 Barrel 5.56x45mm 16", Black

    Larue Stealth M4 Barrel 5.56x45mm 16", Black

    $310.99
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  8. Larue Stealth M4 Barrel 5.56x45mm 14.50", Black

    Larue Stealth M4 Barrel 5.56x45mm 14.50", Black

    $310.99
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  9. Larue Stealth M4 Barrel 5.56x45mm 12", Black

    Larue Stealth M4 Barrel 5.56x45mm 12", Black

    $310.99
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  10. Faxon Firearms Duty Gunner Button Rifled Barrel 5.56x45mm 13.90", Black

    Faxon Firearms Duty Gunner Button Rifled Barrel 5.56x45mm 13.90", Black

    $153.99
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  11. Faxon Firearms Duty SOCOM Button Rifled Barrel 5.56x45mm 10.50", Black

    Faxon Firearms Duty SOCOM Button Rifled Barrel 5.56x45mm 10.50", Black

    Regular Price $162.99 Special Price $145.99
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  12. Faxon Firearms Duty Pencil Button Rifled Barrel 5.56x45mm 10.50", Black

    Faxon Firearms Duty Pencil Button Rifled Barrel 5.56x45mm 10.50", Black

    $148.99
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  13. Lead & Steel Rifle-Length Match Grade Barrel 5.56x45mm 18", Black

    Lead & Steel Rifle-Length Match Grade Barrel 5.56x45mm 18", Black

    $132.99
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  14. CMC SOCOM Pistol-Length Button Rifled Barrel 5.56x45mm 7.50", Black

    CMC SOCOM Pistol-Length Button Rifled Barrel 5.56x45mm 7.50", Black

    $141.99
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  15. CMC SOCOM Carbine-Length Button Rifled Barrel 5.56x45mm 10.50", Black

    CMC SOCOM Carbine-Length Button Rifled Barrel 5.56x45mm 10.50", Black

    $161.99
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  16. Daniel Defense Barrel Assembly 5.56x45mm 10.30", Black

    Daniel Defense Barrel Assembly 5.56x45mm 10.30", Black

    Regular Price $518.99 Special Price $450.99
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  17. Anderson Manufacturing M4 Contour Carbine-Length Barrel 5.56x45mm 16"

    Anderson Manufacturing M4 Contour Carbine-Length Barrel 5.56x45mm 16"

    Regular Price $109.99 Special Price $94.99
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  18. Diamondback Firearms Barrel 5.56x45mm 16", Black - Designed for Accuracy and Durability - 556C16M50B9

    Diamondback Firearms Barrel 5.56x45mm 16", Black - Designed for Accuracy and Durability - 556C16M50B9

    Rating:
    100%
    (1)
    $119.99
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  19. Ballistic Advantage Performance Barrel 5.56x45mm 3.70", Black - Compact and Efficient Barrel - BABL556036F

    Ballistic Advantage Performance Barrel 5.56x45mm 3.70", Black - Compact and Efficient Barrel - BABL556036F

    $279.99
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  20. Faxon Firearms Duty Barrel 5.56x45mm 20", Black - Superior Shooting Accuracy - 15A58R20NGQ

    Faxon Firearms Duty Barrel 5.56x45mm 20", Black - Superior Shooting Accuracy - 15A58R20NGQ

    Regular Price $209.99 Special Price $188.99
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  21. Faxon Firearms Duty Barrel 5.56x45mm 18", Black - Optimal Performance and Precision - 15A58R18NGQ

    Faxon Firearms Duty Barrel 5.56x45mm 18", Black - Optimal Performance and Precision - 15A58R18NGQ

    Regular Price $199.99 Special Price $179.99
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  22. Faxon Firearms Duty Barrel 5.56x45mm 16", Black - Precision Engineered for Optimal Shooting Performance - 15A58M16NGQ

    Faxon Firearms Duty Barrel 5.56x45mm 16", Black - Precision Engineered for Optimal Shooting Performance - 15A58M16NGQ

    Regular Price $231.99 Special Price $170.99
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  23. Faxon Firearms Duty Barrel 5.56x45mm 16", Black - Durable and Reliable Upgrade - 15A58M16NPQ

    Faxon Firearms Duty Barrel 5.56x45mm 16", Black - Durable and Reliable Upgrade - 15A58M16NPQ

    Regular Price $231.99 Special Price $170.99
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  24. Faxon Firearms Duty Barrel 5.56x45mm 16", Black - High-Performance and Enhanced Accuracy - 15A58M16NSQ

    Faxon Firearms Duty Barrel 5.56x45mm 16", Black - High-Performance and Enhanced Accuracy - 15A58M16NSQ

    $201.99
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  1. Less than 14.5" 9
  2. 14.5" - 14.7" 6
  3. 16" 20
  4. 18" 9
  5. 20" 8
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