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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 145-168 of 653

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  1. 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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  2. Wilson Combat Super Sniper, Fluted, 308 Winchester, 1:10 Twist, Glass Bead Finish, Stainless

    Wilson Combat Super Sniper, Fluted, 308 Winchester, 1:10 Twist, Glass Bead Finish, Stainless

    Regular Price $400.99 Special Price $362.99
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  3. Ballistic Advantage Premium Black Series AR-15 223 Wylde 20" Barrel - BABL223022PQ

    Ballistic Advantage Premium Black Series AR-15 223 Wylde 20" Barrel - BABL223022PQ

    Regular Price $275.99 Special Price $247.99
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  4. Diamondback Firearms AR-10 308 Win 16" 1:10 Twist Barrel, Black Nitride Finish - 308R18M50B10R

    Diamondback Firearms AR-10 308 Win 16" 1:10 Twist Barrel, Black Nitride Finish - 308R18M50B10R

    Regular Price $152.99 Special Price $136.99
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  5. 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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  6. Ballistic Advantage Premium Black Series, Barrel, 6.5 Creedmoor, 18", Black, 1:8

    Ballistic Advantage Premium Black Series, Barrel, 6.5 Creedmoor, 18", Black, 1:8

    Regular Price $317.99 Special Price $285.99
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  7. Ballistic Advantage Premium Black Series, Barrel, 308 Winchester, 18", Matte

    Ballistic Advantage Premium Black Series, Barrel, 308 Winchester, 18", Matte

    Regular Price $317.99 Special Price $285.99
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  8. 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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  9. Ballistic Advantage Premium Black Series, Barrel, 6.5 Creedmoor, 16", Black, 1:8

    Ballistic Advantage Premium Black Series, Barrel, 6.5 Creedmoor, 16", Black, 1:8

    Regular Price $306.99 Special Price $275.99
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  10. Ballistic Advantage Premium Black Series, Barrel, 308 Winchester, 16", Matte

    Ballistic Advantage Premium Black Series, Barrel, 308 Winchester, 16", Matte

    Regular Price $306.99 Special Price $275.99
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  11. Diamondback Firearms AR-10 308 Win 16" 1:10 Twist Barrel, Black Nitride Finish - 308M16L50B10R

    Diamondback Firearms AR-10 308 Win 16" 1:10 Twist Barrel, Black Nitride Finish - 308M16L50B10R

    Regular Price $158.99 Special Price $142.99
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  12. 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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  13. 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:
    100%
    (1)
    Regular Price $159.99 Special Price $143.99
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  14. Diamondback Firearms AR-15 Barrel, 6.5 Grendel 18" 1:8 Twist, Black Nitride Finish - 65M18M50B8R

    Diamondback Firearms AR-15 Barrel, 6.5 Grendel 18" 1:8 Twist, Black Nitride Finish - 65M18M50B8R

    Regular Price $126.99 Special Price $113.99
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  15. 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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  16. Rosco Manufacturing Bloodline Barrel 300 Blackout 8.2" Black 1:7 Heavy Profile BL-82-HB-300BLK-7-P

    Rosco Manufacturing Bloodline Barrel 300 Blackout 8.2" Black 1:7 Heavy Profile BL-82-HB-300BLK-7-P

    Regular Price $170.99 Special Price $153.99
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  17. 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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  18. Ballistic Advantage Modern Series Barrel 308 Winchester 12.5" BABL308008M Bead

    Ballistic Advantage Modern Series Barrel 308 Winchester 12.5" BABL308008M Bead

    Rating:
    100%
    (1)
    $199.50
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  19. 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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  20. 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:
    100%
    (1)
    Regular Price $114.99 Special Price $102.99
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  21. 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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  22. Q Barrel, Light Profile, 8", 1:3 Twist, 8.6 Blackout, fits Q Fix, Matte Stainless Finish, Gray

    Q Barrel, Light Profile, 8", 1:3 Twist, 8.6 Blackout, fits Q Fix, Matte Stainless Finish, Gray

    Regular Price $500.99 Special Price $450.99
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  23. Q 300 Blackout Light Profile 7" 1:5 Twist Barrel for Honey Badger - BARRELHB3007

    Q 300 Blackout Light Profile 7" 1:5 Twist Barrel for Honey Badger - BARRELHB3007

    Regular Price $443.99 Special Price $425.00
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  24. 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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  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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