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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 73-96 of 654

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  1. Faxon Firearms Target 5R Button Rifled Barrel 6.5 Creedmoor 24"

    Faxon Firearms Target 5R Button Rifled Barrel 6.5 Creedmoor 24"

    Regular Price $342.99 Special Price $310.99
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  2. Faxon Firearms Match Target 5R Button Rifled Honed and Lapped Barrel 6.5 Grendel 18"

    Faxon Firearms Match Target 5R Button Rifled Honed and Lapped Barrel 6.5 Grendel 18"

    Regular Price $248.99 Special Price $225.99
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  3. Faxon Firearms Match Gunner 5R Button Rifled Honed and Lapped Barrel .300 AAC Blackout 7.50"

    Faxon Firearms Match Gunner 5R Button Rifled Honed and Lapped Barrel .300 AAC Blackout 7.50"

    Regular Price $221.99 Special Price $199.99
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  4. Faxon Firearms Match Gunner 5R Rifled Barrel .223 Wylde 16"

    Faxon Firearms Match Gunner 5R Rifled Barrel .223 Wylde 16"

    Regular Price $245.99 Special Price $222.99
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  5. Faxon Firearms Gunner Button Rifled Barrel .300 AAC Blackout 10.50", Black

    Faxon Firearms Gunner Button Rifled Barrel .300 AAC Blackout 10.50", Black

    Regular Price $249.99 Special Price $226.99
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  6. 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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  7. Faxon Firearms Match Spiral Fluted 5R Rifled Barrel .223 Wylde 16", Black

    Faxon Firearms Match Spiral Fluted 5R Rifled Barrel .223 Wylde 16", Black

    $279.99
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  8. 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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  9. 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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  10. Faxon Firearms Big Gunner 5R Button Rifled Barrel 8.6 Blackout 16"

    Faxon Firearms Big Gunner 5R Button Rifled Barrel 8.6 Blackout 16"

    Regular Price $318.99 Special Price $289.99
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  11. Faxon Firearms Match Target 5R Button Rifled Barrel .308 Win 20"

    Faxon Firearms Match Target 5R Button Rifled Barrel .308 Win 20"

    Regular Price $335.99 Special Price $301.99
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  12. Faxon Firearms Match Target 5R Button Rifled Honed and Lapped Barrel .22 ARC 22"

    Faxon Firearms Match Target 5R Button Rifled Honed and Lapped Barrel .22 ARC 22"

    $248.99
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  13. Faxon Firearms Match Target 5R Button Rifled Honed and Lapped Barrel 6mm ARC 20"

    Faxon Firearms Match Target 5R Button Rifled Honed and Lapped Barrel 6mm ARC 20"

    Regular Price $290.99 Special Price $261.99
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  14. Faxon Firearms Duty Gunner Button Rifled Barrel .400 Legend 16", Black

    Faxon Firearms Duty Gunner Button Rifled Barrel .400 Legend 16", Black

    Regular Price $192.99 Special Price $172.99
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  15. Faxon Firearms Match Gunner 5R Button Rifled Barrel .300 AAC Blackout 6", Black

    Faxon Firearms Match Gunner 5R Button Rifled Barrel .300 AAC Blackout 6", Black

    Regular Price $193.99 Special Price $173.99
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  16. 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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  17. 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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  18. 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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  19. 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 $179.99 Special Price $161.99
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  20. 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 $172.99 Special Price $156.99
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  21. Faxon Firearms 14.5" 338 ARC Gunner Pistol Length Barrel

    Faxon Firearms 14.5" 338 ARC Gunner Pistol Length Barrel

    Rating:
    100%
    (1)
    Regular Price $240.99 Special Price $216.99
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  22. Faxon Firearms 16" 338 ARC Gunner Carbine Length Barrel

    Faxon Firearms 16" 338 ARC Gunner Carbine Length Barrel

    Regular Price $250.99 Special Price $225.99
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  23. Faxon Firearms 12.5" 338 ARC Gunner Pistol Length Barrel

    Faxon Firearms 12.5" 338 ARC Gunner Pistol Length Barrel

    Regular Price $230.99 Special Price $207.99
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  24. CMMG M4 Contour Barrel Sub-Assembly .22LR 16.10", Black

    CMMG M4 Contour Barrel Sub-Assembly .22LR 16.10", Black

    Regular Price $183.99 Special Price $166.99
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Items 73-96 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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