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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. Ballistic Advantage Performance Series .223 Rem/5.56 17.7" Mid-Length Barrel, QPQ - BABL556018F

    Ballistic Advantage Performance Series .223 Rem/5.56 17.7" Mid-Length Barrel, QPQ - BABL556018F

    Rating:
    100%
    (1)
    Regular Price $248.99 Special Price $223.99
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  2. Ballistic Advantage Modern Series AR-15 Barrel 18" .223 Rifle-Length, QPQ

    Ballistic Advantage Modern Series AR-15 Barrel 18" .223 Rifle-Length, QPQ

    Regular Price $195.99 Special Price $175.99
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  3. Ballistic Advantage Modern Series AR-15 Barrel 16" .223 Mid-Length QPQ

    Ballistic Advantage Modern Series AR-15 Barrel 16" .223 Mid-Length QPQ

    Regular Price $185.99 Special Price $166.99
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  4. Ballistic Advantage Modern Series .223 Rem/5.56 14.5" Mid-Length Barrel, QPQ - BABL556010M

    Ballistic Advantage Modern Series .223 Rem/5.56 14.5" Mid-Length Barrel, QPQ - BABL556010M

    Regular Price $169.99 Special Price $152.99
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  5. CMMG .223 Rem/5.56 16.1" Medium Taper Barrel Sub-Assembly, Salt Bath Nitride Black - 55DC70A

    CMMG .223 Rem/5.56 16.1" Medium Taper Barrel Sub-Assembly, Salt Bath Nitride Black - 55DC70A

    Regular Price $197.99 Special Price $177.99
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  6. CMMG .223 Rem/5.56 16.1" M4 Barrel Sub-Assembly, Salt Bath Nitride Black - 55DE10A

    CMMG .223 Rem/5.56 16.1" M4 Barrel Sub-Assembly, Salt Bath Nitride Black - 55DE10A

    Regular Price $217.99 Special Price $159.99
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  7. Daniel Defense 5.56 10.3" Government Profile Stripped Barrel, Black - 07-077-16176-018

    Daniel Defense 5.56 10.3" Government Profile Stripped Barrel, Black - 07-077-16176-018

    Regular Price $387.99 Special Price $348.99
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  8. Odin Works 18" 223 Wylde 3-Gun Profile Rifle Gas Placement Barrel

    Odin Works 18" 223 Wylde 3-Gun Profile Rifle Gas Placement Barrel ‒ B-223-18-3G-R

    $313.50
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  9. Odin Works 16.1" 223 Wylde Medium Profile Mid-Length Gas Barrel

    Odin Works 16.1" 223 Wylde Medium Profile Mid-Length Gas Barrel ‒ B-223-16-ML-TG

    Rating:
    100%
    (1)
    Regular Price $348.99 Special Price $313.99
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  10. PSA 20'' Rifle Length 5.56 1/7 Melonite A2 Barrel

    PSA 20'' Rifle Length 5.56 1/7 Melonite A2 Barrel

    Rating:
    100%
    (6)
    $89.99
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  11. PSA AR-15 10.5" 5.56 NATO 10.5" 1:7 Carbine Nitride Barrel

    PSA AR-15 Barrel 10.5" 5.56 NATO 1:7 Carbine-Length Nitride -77932251

    Rating:
    97%
    (14)
    $99.99
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  12. AR-15 Upper Parts

    PSA AR-15 Barrel 5.56 NATO 10.5" 1:7 Carbine-Length Nitride - 7790025

    Rating:
    90%
    (12)
    $149.99
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  13. 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:
    81%
    (14)
    $139.99
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  14. AR-15 Upper Receiver Parts

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

    Rating:
    99%
    (32)
    $149.99
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  15. AR-15 Upper Receiver Parts

    Wilson Combat AR-15 Barrel 11.3"5.56 NATO 1:7 Carbine-Length Stainless Steel

    Rating:
    73%
    (3)
    Regular Price $276.99 Special Price $248.99
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  16. AR-15 Upper Parts

    Odin Works 18" 223 Wylde, DMR Profile, Rifle Gas Placement ‒ B-223-18-DMR-R-TG

    Rating:
    100%
    (2)
    Regular Price $424.99 Special Price $313.99
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  17. H&R Retro M16A1 barrel assembly 1/12 twist w/M4 Feed Ramp

    H&R Retro M16A1 barrel assembly 1/12 twist w/M4 Feed Ramp

    Rating:
    92%
    (10)
    Out of Stock
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  18. 18 Inch AR-15 Upper Receiver Stainless Steel Barrel And Bolt Carrier Group Combo

    PSA 18" Rifle-Length .224 Valkyrie 1/7 Stainless Steel Barrel & BCG Combo - 5165450031

    Rating:
    94%
    (16)
    Out of Stock
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  19. PSA 16" Mid-length 5.56 NATO 1/8 StainlessBarrel with M4 Ext - "5.56 NATO 1/8 FREEDOM" - 779322640

    PSA 16" Mid-length 5.56 NATO 1/8 StainlessBarrel with M4 Ext - "5.56 NATO 1/8 FREEDOM" - 779322640

    Out of Stock
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  20. PSA 16" Mid Nitride 5.56 NATO 1:8 Barrel Assembly - 516445673

    PSA 16" Mid Nitride 5.56 NATO 1:8 Barrel Assembly - 516445673

    Rating:
    100%
    (1)
    Out of Stock
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  21. AR-15 14.7" carbine length barrel

    PSA 14.7" CHF Carbine-length 5.56 NATO 1/7 Barrel CL HPT MPI - 516445260

    Out of Stock
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  22. PSA 20" 5.56 AR-15 Nitride Barrel

    PSA 20" CHF Rifle-length 5.56 NATO 1/7 A2 Nitride Barrel M4 Ext - 516444711

    Out of Stock
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  23. PSA 14.7" Midlength A2 CHF 5.56 NATO 1/7 Nitride Barrel Assembly - 516444648

    PSA 14.7" Midlength A2 CHF 5.56 NATO 1/7 Nitride Barrel Assembly - 516444648

    Out of Stock
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  24. 18" .223 Wylde AR-15 Steel Barrel

    PSA AR-15 18" Rifle Length .223 Wylde 1:7 Nitride 4150V Steel Barrel - 77932927

    Rating:
    100%
    (4)
    Out of Stock
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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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