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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. 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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  2. Rosco Bloodline AR-15 16" 556 Barrel, 1:7 Twist - BL16M45567C

    Rosco Bloodline AR-15 16" 556 Barrel, 1:7 Twist - BL16M45567C

    Regular Price $185.99 Special Price $166.99
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  3. Rosco Manufacturing Bloodline Barrel 556NATO 14.5" Black 1:7 BL-145-M4-556-7-C

    Rosco Manufacturing Bloodline Barrel 556NATO 14.5" Black 1:7 BL-145-M4-556-7-C

    Rating:
    100%
    (1)
    Regular Price $180.99 Special Price $162.99
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  4. Rosco Manufacturing Bloodline Barrel 556NATO 11.5" Black 1:7 BL-115-M4-556-7-C

    Rosco Manufacturing Bloodline Barrel 556NATO 11.5" Black 1:7 BL-115-M4-556-7-C

    Rating:
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    (1)
    Regular Price $159.99 Special Price $143.99
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  5. Rosco Manufacturing Bloodline Barrel 556NATO 10.5" Black 1:7 BL-105-M4-556-7-C

    Rosco Manufacturing Bloodline Barrel 556NATO 10.5" Black 1:7 BL-105-M4-556-7-C

    Regular Price $152.99 Special Price $137.99
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  6. Daniel Defense Light Weight Barrel 556NATO 14.5" Black 1:7 Mid Length Gas System

    Daniel Defense Light Weight Barrel 556NATO 14.5" Black 1:7 Mid Length Gas System

    Regular Price $364.99 Special Price $327.99
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  7. Wilson Combat Recon AR-15 16" 1:8 Fluted Stainless Barrel - TR556RCIG16FT8

    Wilson Combat Recon AR-15 16" 1:8 Fluted Stainless Barrel - TR556RCIG16FT8

    Regular Price $360.99 Special Price $324.99
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  8. Diamondback AR-15 223 Rem & 556 NATO 16" 1:8 Barrel, Black Nitride Finish - 556M16M50B8R

    Diamondback AR-15 223 Rem & 556 NATO 16" 1:8 Barrel, Black Nitride Finish - 556M16M50B8R

    Rating:
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    (1)
    Regular Price $114.99 Special Price $102.99
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  9. Wilson Combat Recon AR-15 16" 1:8 Stainless Bead Blasted Barrel, 5.56 NATO - TR556RCIG16RT8

    Wilson Combat Recon AR-15 16" 1:8 Stainless Bead Blasted Barrel, 5.56 NATO - TR556RCIG16RT8

    Rating:
    90%
    (2)
    Regular Price $300.99 Special Price $270.99
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  10. Faxon Duty Series 12.5" 5.56 Nitride Barrel- 15A58M125NGQ

    Faxon Duty Series 12.5" 5.56 Nitride Barrel- 15A58M125NGQ

    Regular Price $179.99 Special Price $161.99
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  11. PSA "Sabre" FN CHF CL 13.7" Mid-Length 1:7 5.56 Nato Barrel

    PSA "Sabre" FN CHF CL 13.7" Mid-Length 1:7 5.56 Nato Barrel

    Rating:
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    (1)
    $299.99
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  12. Harrington & Richardson Retro M16A1 Stripped Barrel Assembly

    Harrington & Richardson Retro M16A1 Stripped Barrel Assembly

    Rating:
    83%
    (6)
    $239.99
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  13. Harrington & Richardson RETRO 14.7" AR-15 Upper Pencil Barrel w/ 1:7 Twist, GM-M61

    H&R RETRO 14.7" AR-15 Upper Pencil Barrel w/ 1:7 Twist

    $199.99
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  14. H&R Retro M16A1 barrel assembly 1/7 twist

    H&R Retro M16A1 barrel assembly 1/7 twist

    Rating:
    94%
    (10)
    $259.99
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  15. Harrington & Richardson 20" M16A1 Pencil Barrel, 5.56, 1/7,Parkerized, CH Bore, Stripped

    Harrington & Richardson 20" M16A1 Pencil Barrel, 5.56, 1/7,Parkerized, CH Bore, Stripped

    Rating:
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    $194.99
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  16. Wilson Combat 5.56 18" Match Grade 6 Groove Barrel, Matte Bead Blasted Stainless - TR-556RCRG18FT8

    Wilson Combat 5.56 18" Match Grade 6 Groove Barrel, Matte Bead Blasted Stainless - TR-556RCRG18FT8

    Regular Price $326.99 Special Price $293.99
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  17. Ballistic Advantage Modern Series 5.56 12.5" Threaded Barrel, QPQ Corrosion Resistant - BABL556024M

    Ballistic Advantage Modern Series 5.56 12.5" Threaded Barrel, QPQ Corrosion Resistant - BABL556024M

    Rating:
    100%
    (1)
    Regular Price $169.99 Special Price $152.99
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  18. Daniel Defense .223 Rem/5.56 16" Stripped Mid-Length Barrel, Black Phosphate - 077-09173-018

    Daniel Defense .223 Rem/5.56 16" Stripped Mid-Length Barrel, Black Phosphate - 077-09173-018

    Regular Price $387.99 Special Price $348.99
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  19. Daniel Defense .223 Rem/5.56 14.5" Stripped Mid-Length Barrel, Black Phosphate - 077-19125-018

    Daniel Defense .223 Rem/5.56 14.5" Stripped Mid-Length Barrel, Black Phosphate - 077-19125-018

    Regular Price $387.99 Special Price $348.99
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  20. Daniel Defense .223 Rem/5.56 16" Stripped Mid-Length Barrel, Black Phosphate - 078-09136-018

    Daniel Defense .223 Rem/5.56 16" Stripped Mid-Length Barrel, Black Phosphate - 078-09136-018

    Regular Price $387.99 Special Price $348.99
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  21. Ballistic Advantage Premium AR-15 Barrel 18" .223 Wylde Rifle-Length Bead Blasted

    Ballistic Advantage Premium AR-15 Barrel 18" .223 Wylde Rifle-Length Bead Blasted

    Rating:
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    (1)
    Regular Price $285.99 Special Price $256.99
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  22. Ballistic Advantage AR-15 Barrel 16" .223 Wylde Mid-Length Fluted, Bead Blasted

    Ballistic Advantage AR-15 Barrel 16" .223 Wylde Mid-Length Fluted, Bead Blasted

    Rating:
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    (1)
    Regular Price $243.99 Special Price $218.99
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  23. 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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  24. 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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Items 49-72 of 271

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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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