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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. Wilson Combat Intermediate-Length Button Rifling Non-Fluted Ranger Barrel 5.56x45mm 16", Stainless

    Wilson Combat Intermediate-Length Button Rifling Non-Fluted Ranger Barrel 5.56x45mm 16", Stainless

    $220.99
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  2. Faxon Firearms Mid-Length Button Rifled Gunner Barrel w/Pinned Gas Block 5.56x45mm 14.50", Black

    Faxon Firearms Mid-Length Button Rifled Gunner Barrel w/Pinned Gas Block 5.56x45mm 14.50", Black

    $194.99
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  3. Faxon Firearms Mid-Length Button Rifled Socom Barrel w/Pinned Gas Block 5.56x45mm 16", Black

    Faxon Firearms Mid-Length Button Rifled Socom Barrel w/Pinned Gas Block 5.56x45mm 16", Black

    Regular Price $239.99 Special Price $217.99
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  4. Faxon Firearms Mid-Length Button Rifled Pencil Barrel w/Pinned Gas Block 5.56x45mm 16", Black

    Faxon Firearms Mid-Length Button Rifled Pencil Barrel w/Pinned Gas Block 5.56x45mm 16", Black

    Regular Price $240.99 Special Price $216.99
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  5. Faxon Firearms Duty Mid-Length Button Rifled Gov't/Socom Barrel 5.56x45mm 14.50", Black

    Faxon Firearms Duty Mid-Length Button Rifled Gov't/Socom Barrel 5.56x45mm 14.50", Black

    Regular Price $174.99 Special Price $156.99
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  6. Faxon Firearms Duty Pistol-Length Button Rifled Gov't/Socom Barrel 5.56x45mm 7.50", Black

    Faxon Firearms Duty Pistol-Length Button Rifled Gov't/Socom Barrel 5.56x45mm 7.50", Black

    $138.99
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  7. Faxon Firearms Duty Mid-Length Button Rifled Pencil Barrel 5.56x45mm 14.50", Black

    Faxon Firearms Duty Mid-Length Button Rifled Pencil Barrel 5.56x45mm 14.50", Black

    $151.99
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  8. Faxon Firearms Mid-Length Button Rifled Pencil Barrel 5.56x45mm 16", Black

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

    $225.99
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  9. Faxon Firearms Mid-Length Button Rifled Pencil Barrel 5.56x45mm 16", Black

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

    $225.99
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  10. 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 $268.99 Special Price $241.99
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  11. 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 $266.99 Special Price $239.99
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  12. Brownells Lightweight Carbine-Length Barrel Assembly 5.56x45mm 12.70", Black

    Brownells Lightweight Carbine-Length Barrel Assembly 5.56x45mm 12.70", Black

    Regular Price $258.99 Special Price $234.99
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  13. Faxon Firearms Duty Mid-Length Button Rifled Gunner Barrel 5.56x45mm 14.50", Black

    Faxon Firearms Duty Mid-Length Button Rifled Gunner Barrel 5.56x45mm 14.50", Black

    $147.99
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  14. FightLite Adjustable Heavy Barrel 5.56x45mm 12.50" Fits FightLite Belt-Fed MCR, Black

    FightLite Adjustable Heavy Barrel 5.56x45mm 12.50" Fits FightLite Belt-Fed MCR, Black

    Rating:
    100%
    (1)
    Regular Price $811.99 Special Price $730.99
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  15. FightLite Adjustable Heavy Barrel 5.56x45mm 16.25" Fits FightLite Belt-Fed MCR, Black

    FightLite Adjustable Heavy Barrel 5.56x45mm 16.25" Fits FightLite Belt-Fed MCR, Black

    Regular Price $832.99 Special Price $749.99
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  16. Faxon Firearms M4 Button Rifled Barrel 5.56x45mm 16", Black

    Faxon Firearms M4 Button Rifled Barrel 5.56x45mm 16", Black

    Regular Price $248.99 Special Price $223.99
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  17. Faxon Firearms Medium Taper Button Rifled Barrel 5.56x45mm 12.50", Black

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

    Regular Price $248.99 Special Price $223.99
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  18. Faxon Firearms Duty HBAR Button Rifled Barrel 5.56x45mm 16", Black

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

    Regular Price $190.99 Special Price $172.99
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  19. Faxon Firearms Duty Gunner Button Rifled Barrel 5.56x45mm 13.90", Black

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

    Regular Price $182.99 Special Price $163.99
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  20. Faxon Firearms Duty Gunner Button Rifled Barrel 5.56x45mm 11.50", Black

    Faxon Firearms Duty Gunner Button Rifled Barrel 5.56x45mm 11.50", Black

    Regular Price $178.99 Special Price $160.99
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  21. 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 $158.99 Special Price $142.99
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  22. Faxon Firearms Duty Pencil Button Rifled Barrel 5.56x45mm 10.50", Black

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

    Regular Price $168.99 Special Price $151.99
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  23. CMC SOCOM Pistol-Length Button Rifled Barrel 5.56x45mm 7.50", Black

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

    Regular Price $156.99 Special Price $141.99
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  24. 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%
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    Regular Price $95.99 Special Price $86.99
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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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