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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. 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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  2. 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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  3. 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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  4. 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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  5. 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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  6. 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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  7. 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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  8. 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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  9. FN America AR-15/M4 Barrel - Unleash the Power in Matte Black - 20-100044

    FN America AR-15/M4 Barrel - Unleash the Power in Matte Black - 20-100044

    Regular Price $310.99 Special Price $279.99
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  10. Diamondback Firearms New York Compliant Barrel, Black - 556C16H50B8NYR

    Diamondback Firearms New York Compliant Barrel, Black - 556C16H50B8NYR

    Rating:
    60%
    (1)
    Regular Price $96.99 Special Price $86.99
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  11. Diamondback Firearms Barrel - Black, Unleash Precision and Performance - 556C16MF50B8R

    Diamondback Firearms Barrel - Black, Unleash Precision and Performance - 556C16MF50B8R

    Rating:
    100%
    (1)
    Regular Price $96.99 Special Price $86.99
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  12. Diamondback Firearms Barrel - Black, Unleash Precision and Performance - 556C16M50B8R

    Diamondback Firearms Barrel - Black, Unleash Precision and Performance - 556C16M50B8R

    Regular Price $114.99 Special Price $102.99
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  13. Diamondback Firearms Barrel - Black, Unleash Precision and Performance - 556P7H50B8R

    Diamondback Firearms Barrel - Black, Unleash Precision and Performance - 556P7H50B8R

    Regular Price $94.99 Special Price $84.99
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  14. Ballistic Advantage Modern AR-15 Barrel -Unleash Precision in Sleek Black Design - BABL556003M

    Ballistic Advantage Modern AR-15 Barrel -Unleash Precision in Sleek Black Design - BABL556003M

    Rating:
    93%
    (3)
    Regular Price $103.99 Special Price $92.99
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  15. Rosco Bloodline 11.5" Barrel, 5.56x45mm - SPBL115556BCGGTCNGB001

    Rosco Bloodline 11.5" Barrel, 5.56x45mm - SPBL115556BCGGTCNGB001

    Regular Price $322.99 Special Price $291.99
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  16. FN America AR-15 16" Barrel 1:7 Twist Button Broached, Black - 20100046

    FN America AR-15 16" Barrel 1:7 Twist Button Broached, Black - 20100046

    $279.00
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  17. FN Barrel 556NATO 14.5" Black Hammer Forged Carbine AR Rifles

    FN Barrel 556NATO 14.5" Black Hammer Forged Carbine AR Rifles

    Regular Price $388.99 Special Price $349.99
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  18. FN Barrel 556NATO 14.7" Black Hammer Forged Carbine AR Rifles

    FN Barrel 556NATO 14.7" Black Hammer Forged Carbine AR Rifles

    Regular Price $388.99 Special Price $349.99
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  19. Rosco Bloodline 10.5" Barrel, 5.56x45mm - SPBL105556BCGGTCNGB001

    Rosco Bloodline 10.5" Barrel, 5.56x45mm - SPBL105556BCGGTCNGB001

    Rating:
    100%
    (1)
    Regular Price $338.99 Special Price $304.99
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  20. Rosco Bloodline 12.5" Barrel, 5.56x45mm - SPBL125556BCGGTCNGB001

    Rosco Bloodline 12.5" Barrel, 5.56x45mm - SPBL125556BCGGTCNGB001

    Rating:
    100%
    (1)
    Regular Price $347.99 Special Price $312.99
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  21. FN America AR-15 16" Barrel 1:7 Twist Button Broached, Black - 20100041

    FN America AR-15 16" Barrel 1:7 Twist Button Broached, Black - 20100041

    Regular Price $310.99 Special Price $279.99
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  22. FN America AR-15 10.5" Barrel, 1:7 Twist Button Broached, Black - 20100037

    FN America AR-15 10.5" Barrel, 1:7 Twist Button Broached, Black - 20100037

    Regular Price $310.99 Special Price $279.99
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  23. FN America AR-15 16" Barrel 556NATO 1:7 Twist Button Broached, Black - 20100039

    FN America AR-15 16" Barrel 556NATO 1:7 Twist Button Broached, Black - 20100039

    Regular Price $310.99 Special Price $279.99
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  24. Rosco Bloodline AR-15 16" 556 Heavy Barrel, 1:7 Twist - BL16HB5567C

    Rosco Bloodline AR-15 16" 556 Heavy Barrel, 1:7 Twist - BL16HB5567C

    Regular Price $193.99 Special Price $173.99
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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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