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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 460

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  1. PSA AR-15 Barrel 16" 5.56 NATO 1:7 Mid-Length Stainless Steel - 7782785

    PSA AR-15 Barrel 16" 5.56 NATO 1:7 Mid-Length Stainless Steel - 7782785

    Rating:
    78%
    (10)
    Regular Price $169.99 Special Price $139.99
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  2. AR-15 Upper Receiver Parts

    PSA AR-15 Barrel 5.56 NATO 16" M4 Carbine-Length Nitride - 7782393

    Rating:
    98%
    (18)
    $149.99
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  3. PA10 18" Mid-length AR-10 Barrel .308 Win 1:10, Nitride - 7779364

    PA10 18" Mid-length AR-10 Barrel .308 Win 1:10, Nitride - 7779364

    Rating:
    100%
    (1)
    $189.99
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  4. AR-15 16" Stainless Steel 1/7 Barrel

    PSA AR-15 16" Mid-length Stainless Steel 5.56 NATO 1/7 Barrel with "5.56 NATO 1/7 FREEDOM" - 48209

    Rating:
    94%
    (23)
    $109.99
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  5. AR-15 Upper Parts

    PSA 20'' 5.56mm 1:7 FN CHF Chrome Lined Phosphate A2 Profile Barrel

    Rating:
    96%
    (4)
    $349.99
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  6. PSA AR-15 Barrel 10.5'' 5.56 NATO 1:7 Carbine-Length CHF A2 Profile

    PSA AR-15 Barrel 10.5'' 5.56 NATO 1:7 Carbine-Length CHF A2 Profile

    Rating:
    100%
    (1)
    $299.99
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  7. Faxon Firearms Match Barrel .308 Win 18", Black - Superior Precision and Reliability - 10B810R18FHQ-5R-NP3

    Faxon Firearms Match Barrel .308 Win 18", Black - Superior Precision and Reliability - 10B810R18FHQ-5R-NP3

    $424.99
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  8. Faxon Firearms Duty Barrel .308 Win 16", Black - for Enhanced Accuracy and Durability - 10A810M16NPQ

    Faxon Firearms Duty Barrel .308 Win 16", Black - for Enhanced Accuracy and Durability - 10A810M16NPQ

    Regular Price $351.99 Special Price $259.99
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  9. Angstadt Arms Vanquish Barrel 9mm 16", Flat Dark Earth - High-Quality and Versatile Design - AAVIS09BFR

    Angstadt Arms Vanquish Barrel 9mm 16", Flat Dark Earth - High-Quality and Versatile Design - AAVIS09BFR

    Regular Price $791.99 Special Price $585.99
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  10. Angstadt Arms Vanquish Barrel 9mm 10.50", Flat Dark Earth - Enhanced Performance and Reliability - AAVIS09BF1

    Angstadt Arms Vanquish Barrel 9mm 10.50", Flat Dark Earth - Enhanced Performance and Reliability - AAVIS09BF1

    Regular Price $791.99 Special Price $585.99
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  11. Angstadt Arms Vanquish Barrel 9mm 10.50", Black - Superior Accuracy and Craftsmanship - AAVIS09B01

    Angstadt Arms Vanquish Barrel 9mm 10.50", Black - Superior Accuracy and Craftsmanship - AAVIS09B01

    Regular Price $791.99 Special Price $585.99
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  12. 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 $305.99 Special Price $225.99
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  13. 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

    Regular Price $231.99 Special Price $170.99
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  14. 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 $255.99 Special Price $188.99
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  15. 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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  16. 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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  17. LBE Unlimited Barrel 5.56x45mm 14.50" - Long-Range Precision with Durable Black - BAR145M

    LBE Unlimited Barrel 5.56x45mm 14.50" - Long-Range Precision with Durable Black - BAR145M

    Regular Price $269.99 Special Price $256.99
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  18. Sons of Liberty Gun Works Combat V2 Barrel 5.56x45mm 12.50", Black - Superior Performance - 12.5COMBATV2-CHF-5.56

    Sons of Liberty Gun Works Combat V2 Barrel 5.56x45mm 12.50", Black - Superior Performance - 12.5COMBATV2-CHF-5.56

    $299.99
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  19. Sons of Liberty Gun Works Combat V2 Barrel 5.56x45mm 16", Black - Long-Range Precision - 16COMBATV2-CHF-5.56

    Sons of Liberty Gun Works Combat V2 Barrel 5.56x45mm 16", Black - Long-Range Precision - 16COMBATV2-CHF-5.56

    $299.99
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  20. Sons of Liberty Gun Works Combat V2 Barrel 5.56x45mm 16", Black - Tactical and Durable - 16COMBATV2-556

    Sons of Liberty Gun Works Combat V2 Barrel 5.56x45mm 16", Black - Tactical and Durable - 16COMBATV2-556

    $199.99
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  21. Sons of Liberty Gun Works Combat V2 Barrel 5.56x45mm 11.50", Black - Enhanced Accuracy - 11.5COMBATV2-CHF-5.56

    Sons of Liberty Gun Works Combat V2 Barrel 5.56x45mm 11.50", Black - Enhanced Accuracy - 11.5COMBATV2-CHF-5.56

    $299.99
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  22. Sons of Liberty Gun Works Combat V2 Barrel 5.56x45mm 13.70", Black - High-Quality Construction - 13.7COMBATV2-556

    Sons of Liberty Gun Works Combat V2 Barrel 5.56x45mm 13.70", Black - High-Quality Construction - 13.7COMBATV2-556

    $236.99
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  23. Sons of Liberty Gun Works Precision SPR Barrel 6mm MAX 14.50", Black - Accurate and Durable - 14.5PRECISIONSPR-6MAX

    Sons of Liberty Gun Works Precision SPR Barrel 6mm MAX 14.50", Black - Accurate and Durable - 14.5PRECISIONSPR-6MAX

    $342.99
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  24. PSA 20" Rifle Length .308 WIN 1/10 Stainless Steel Barrel

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

    $169.99
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  1. 5.56 Barrels 196
  2. 6.8mm Barrels 2
  3. 300 Blackout Barrels 56
  4. .458 SOCOM Barrels 1
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