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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 97-120 of 653

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  1. 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)
    Regular Price $95.99 Special Price $86.99
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  2. Ballistic Advantage Premium Barrel 6mm ARC 18", Black - Exceptional Accuracy and Durability - BABL6MM002PQ

    Ballistic Advantage Premium Barrel 6mm ARC 18", Black - Exceptional Accuracy and Durability - BABL6MM002PQ

    Regular Price $279.99 Special Price $251.99
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  3. Ballistic Advantage Premium Barrel .308 Win 16", Black - High Precision and Robust Design - BABL308019PQ

    Ballistic Advantage Premium Barrel .308 Win 16", Black - High Precision and Robust Design - BABL308019PQ

    $344.99
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  4. Ballistic Advantage Premium Barrel .308 Win 18", Black - Premium Quality and Consistent Accuracy - BABL308021PQ

    Ballistic Advantage Premium Barrel .308 Win 18", Black - Premium Quality and Consistent Accuracy - BABL308021PQ

    Regular Price $317.99 Special Price $285.99
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  5. Faxon Firearms Match Barrel .22 ARC 24", Black - Maximum Accuracy and Performance - 15B22A7R24FHQ-5R-NP3

    Faxon Firearms Match Barrel .22 ARC 24", Black - Maximum Accuracy and Performance - 15B22A7R24FHQ-5R-NP3

    Regular Price $362.99 Special Price $326.99
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  6. Faxon Firearms Match Barrel .22 ARC 20", Black - Superior Precision in Shooting - 15B22A7R20LMQ-5R-NP3

    Faxon Firearms Match Barrel .22 ARC 20", Black - Superior Precision in Shooting - 15B22A7R20LMQ-5R-NP3

    Rating:
    100%
    (1)
    Regular Price $347.99 Special Price $312.99
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  7. Faxon Firearms Match Barrel .22 ARC 16", Black - Competitive Accuracy - 15B22A7R16NGQ-5R-NP3

    Faxon Firearms Match Barrel .22 ARC 16", Black - Competitive Accuracy - 15B22A7R16NGQ-5R-NP3

    Regular Price $250.99 Special Price $225.99
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  8. Faxon Firearms Match Barrel .300 AAC Blackout 7.50", Black - Optimal Performance - 15B35P7NGQ5RNP3

    Faxon Firearms Match Barrel .300 AAC Blackout 7.50", Black - Optimal Performance - 15B35P7NGQ5RNP3

    Rating:
    100%
    (1)
    Regular Price $194.99 Special Price $174.99
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  9. Faxon Firearms Duty Barrel 8.6 Blackout 16", Black - Enhanced Shooting Performance - 10A863C16NGQ

    Faxon Firearms Duty Barrel 8.6 Blackout 16", Black - Enhanced Shooting Performance - 10A863C16NGQ

    $282.99
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  10. Faxon Firearms Duty Barrel 8.6 Blackout 12", Black - Tactical Efficiency - A0A863P12NGQ

    Faxon Firearms Duty Barrel 8.6 Blackout 12", Black - Tactical Efficiency - A0A863P12NGQ

    Regular Price $244.99 Special Price $219.99
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  11. Faxon Firearms Match Barrel .308 Win 20", Black - Exceptional Accuracy - 10B810R20FHQ-5R-NP3

    Faxon Firearms Match Barrel .308 Win 20", Black - Exceptional Accuracy - 10B810R20FHQ-5R-NP3

    Regular Price $357.99 Special Price $321.99
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  12. 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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  13. 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

    Rating:
    60%
    (1)
    Regular Price $199.99 Special Price $179.99
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  14. 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 $189.99 Special Price $170.99
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  15. 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 $189.99 Special Price $170.99
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  16. 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

    Regular Price $179.99 Special Price $161.99
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  17. CMMG Barrel and Collar Kit .22LR 16.10", Black - Perfect for Enhanced Shooting Performance - 22D7C4A

    CMMG Barrel and Collar Kit .22LR 16.10", Black - Perfect for Enhanced Shooting Performance - 22D7C4A

    Regular Price $243.99 Special Price $218.99
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  18. PSA 20" Rifle Length .308 WIN 1/10 Stainless Steel Barrel

    PSA 20" Rifle Length .308 WIN 1/10 Stainless Steel Barrel

    Rating:
    100%
    (3)
    $169.99
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  19. Timber Creek Outdoors Medium Profile Barrel for AR-15, Black Nitride - TC 556 MED 16

    Timber Creek Outdoors Medium Profile Barrel for AR-15, Black Nitride - TC 556 MED 16

    Regular Price $223.99 Special Price $200.99
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  20. Tacfire Barrel for AR-10, Black Nitride - BAR308WIN110-18N

    Tacfire Barrel for AR-10, Black Nitride - BAR308WIN110-18N

    Regular Price $151.99 Special Price $127.99
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  21. Tacfire Barrel for AR-10, Black Nitride - BAR308WIN110-16N

    Tacfire Barrel for AR-10, Black Nitride - BAR308WIN110-16N

    Regular Price $138.99 Special Price $125.99
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  22. Tacfire Barrel for AR-10, Black Nitride - BAR308WIN110-20N

    Tacfire Barrel for AR-10, Black Nitride - BAR308WIN110-20N

    Regular Price $157.99 Special Price $141.99
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  23. FN America AR-15/M4 Barrel - Precision and Reliability in Stealthy Black - 20-100047

    FN America AR-15/M4 Barrel - Precision and Reliability in Stealthy Black - 20-100047

    Regular Price $388.99 Special Price $349.99
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  24. FN America AR-15/M16 Barrel - Tactical Precision in Sleek Black Finish - 20-100038

    FN America AR-15/M16 Barrel - Tactical Precision in Sleek Black Finish - 20-100038

    Regular Price $310.99 Special Price $279.99
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Items 97-120 of 653

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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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