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AR-15 Barrels & Barrel Assemblies

Find the best selection of AR 15 barrels and barrel assemblies right here at your online source for AR-15 lower parts, complete AR-15 rifles, and much more. We offer a variety of barrels from 5.56 barrels to 300 blackout barrels at prices that are hard to beat. Read our guide to barrel finishes to help you find the right barrel for your needs. Palmetto State Armory is your source for buying AR-15 parts online. 

5.56 Barrels

5.56 Barrels
6.8mm Barrels

6.8mm Barrels
300 Blackout Barrels

300 Blackout Barrels
9mm Barrels

9mm Barrels
.458 SOCOM Barrels

.458 SOCOM Barrels
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Items 25-48 of 654

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  1. 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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  2. Faxon Firearms Button Rifled Gunner Barrel w/Pinned Gas Block .300 AAC Blackout 10.50", Black

    Faxon Firearms Button Rifled Gunner Barrel w/Pinned Gas Block .300 AAC Blackout 10.50", Black

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

    Faxon Firearms Mid-Length Button Rifled Gunner 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. PROOF RESEARCH Intermediate AR-Type Barrel 6mm ARC 14.50"

    PROOF RESEARCH Intermediate AR-Type Barrel 6mm ARC 14.50"

    Regular Price $1,109.99 Special Price $999.99
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  8. Brownells Lightweight Mid-Length Barrel .223 Wylde 14.50", Black

    Brownells Lightweight Mid-Length Barrel .223 Wylde 14.50", Black

    Regular Price $198.99 Special Price $178.99
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  9. Brownells Lightweight Mid-Length Barrel .223 Wylde 13.90", Black

    Brownells Lightweight Mid-Length Barrel .223 Wylde 13.90", Black

    Regular Price $200.99 Special Price $180.99
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  10. Brownells Lightweight Carbine-Length Barrel .223 Wylde 10.30", Black

    Brownells Lightweight Carbine-Length Barrel .223 Wylde 10.30", Black

    Regular Price $188.99 Special Price $169.99
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  11. Faxon Firearms Duty Pistol-Length Button Rifled Big Gunner Barrel 8.6 Blackout 8", Black

    Faxon Firearms Duty Pistol-Length Button Rifled Big Gunner Barrel 8.6 Blackout 8", Black

    $203.99
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  12. 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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  13. CMMG Medium Tapered Contour Barrel and Collar Kit .22LR, Black

    CMMG Medium Tapered Contour Barrel and Collar Kit .22LR, Black

    Regular Price $195.99 Special Price $175.99
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  14. Wilson Combat Rifle-Length Button Rifling Fluted Urban Super Sniper Barrel .223 Wylde 18", Stainless

    Wilson Combat Rifle-Length Button Rifling Fluted Urban Super Sniper Barrel .223 Wylde 18", Stainless

    Rating:
    100%
    (1)
    Regular Price $326.99 Special Price $296.99
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  15. Faxon Firearms Blowback Button Rifled Pistol Caliber Taper Barrel 9mm 16", Black

    Faxon Firearms Blowback Button Rifled Pistol Caliber Taper Barrel 9mm 16", Black

    Regular Price $225.99 Special Price $202.99
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  16. 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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  17. 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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  18. 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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  19. 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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  20. Faxon Firearms Duty Carbine-Length Button Rifled Gunner Barrel .350 Legend 16", Black

    Faxon Firearms Duty Carbine-Length Button Rifled Gunner Barrel .350 Legend 16", Black

    $177.99
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  21. Faxon Firearms Duty Carbine-Length Button Rifled Gunner Big Bore Barrel .458 SOCOM 16", Black

    Faxon Firearms Duty Carbine-Length Button Rifled Gunner Big Bore Barrel .458 SOCOM 16", Black

    Regular Price $286.99 Special Price $257.99
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  22. Faxon Firearms Match Rifle-Length 5R Button Rifled Heavy Fluted Barrel 6.5 Creedmoor 22", Black

    Faxon Firearms Match Rifle-Length 5R Button Rifled Heavy Fluted Barrel 6.5 Creedmoor 22", Black

    $363.99
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  23. Faxon Firearms Match Mid-Length 5R Button Rifled Gunner Barrel .223 Wylde 14.50", Black

    Faxon Firearms Match Mid-Length 5R Button Rifled Gunner Barrel .223 Wylde 14.50", Black

    $199.99
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  24. Brownells Rifle-Length Barrel 6.5 Creedmoor 24", Black

    Brownells Rifle-Length Barrel 6.5 Creedmoor 24", Black

    Regular Price $313.99 Special Price $281.99
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Items 25-48 of 654

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  1. 5.56 Barrels 271
  2. 6.8mm Barrels 4
  3. 300 Blackout Barrels 73
  4. 9mm Barrels 52
  5. .458 SOCOM Barrels 3
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