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AR-15 Barrels

Improve your accuracy and upgrade your rifle with a new AR-15 barrel from GunMag Warehouse. From heavy barrels for shot to shot consistency to pencil and fluted barrels for weight savings, we’ve got you covered with the best AR-15 barrels that deliver premium, match-grade accuracy. Whether you prefer carbine, midlength, or rifle-length barrels, we offer top options in popular chamberings like 5.56 NATO, .223 Wylde, and .300 Blackout. Further, we have plenty of options in both CMV and stainless steel for optimal performance and easy cleanup, as well as threaded barrels to attach your preferred muzzle device.

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  1. Ballistic Advantage Modern AR-15 6" Pistol-Length Gas .300 Blackout 1:7 CMV Barrel
    Ballistic Advantage Modern Series AR-15 Pistol-Length Gas .300 BLK 1:7 CMV Barrel
    $155.99 $180.99 $147.99 $171.99 Save $9.00
  2. Ballistic Advantage Modern AR-15 7.5" Pistol-Length Gas 5.56 1:7 CMV Barrel
    Ballistic Advantage Modern Series AR-15 5.56 1:7 CMV Barrel
    $125.99 $195.99 $118.99 $185.99 Save $12.00
  3. Ballistic Advantage Premium AR-15 16" Mid-Length Gas .223 Wylde 1:8 Stainless Steel QPQ Barrel with OPS 12
    Ballistic Advantage Premium Black Series AR-15 .223 Wylde 1:8 SS Barrel w/ OPS 12
    $205.99 $220.99 $194.99 $209.99 Save $11.00
  4. Ballistic Advantage Premium Black AR-15 16" Mid-Length Gas 6mm ARC 1:7 Stainless Steel Barrel
    Ballistic Advantage Premium Black Series AR-15 6mm ARC 1:7 SS Barrel
    $245.99 $275.99 $232.99 $261.99 Save $14.00
  5. FN M4 Profile AR-15 14.7" Carbine-Length Gas 5.56 NATO 1:7 CHF CL Barrel
    FN AR-15 5.56 NATO 1:7 CMV CHF CL Barrel
    $399.99 $269.99 $289.99 Save $130.00
  6. TacFire AR-15 Blow Back .45 ACP 1:16 4140 Chrome Moly Steel Barrel - 5/8x24 - 10.5"
    TacFire AR-15 Blowback .45 ACP 1:16 4140 Chrome Moly Steel Barrel - 5/8x24
    (1)
    $109.99 $79.99 $84.99 Save $30.00
  7. Ballistic Advantage Classic AR-15 14.5" Carbine-Length Gas 5.56 1:7 CMV CL Barrel
    Ballistic Advantage Classic Series AR-15 Carbine-Length Gas 5.56 1:7 CMV CL Barrel
    $180.99 $185.99 $124.99 $175.99 Save $56.00
  8. Ballistic Advantage Premium Black AR-15 14.5" Mid-Length Gas .223 Wylde 1:8 SS Barrel
    Ballistic Advantage Premium Black AR-15 Mid-Length Gas .223 Wylde 1:8 Stainless Steel Barrel w/ .750 Lo Pro Gas Block
    $245.99 $232.99 Save $13.00
  9. TacFire AR-15 Blow Back 9mm 1:10 4150 Chrome Moly Vanadium Barrel - 1/2x36 - 10"
    TacFire AR-15 Blowback 9mm 1:10 4150 Chrome Moly Vanadium Barrel - 1/2x36
    $109.99 $64.99 $84.99 Save $45.00
  10. Ballistic Advantage Premium AR-15 20" Rifle-Length Gas .223 Wylde 1:8 QPQ Stainless Steel Barrel
    Ballistic Advantage Premium Black Series AR-15 .223 Wylde 1:8 Stainless Steel Barrel
    $200.99 $270.99 $190.99 $256.99 Save $14.00
  13. TacFire AR-15 Carbine-Length Gas .223 / 5.56 1:8 Nitride Barrel - 14.5"
    TacFire AR-15 Carbine-Length Gas .223 / 5.56 1:8 Nitride Barrel
    $115.99 $119.99 $69.99 $84.99 Save $50.00
  15. CMMG AR-15 5" 5.7x28 1:9 SS Barrel Kit w/ Bolt Carrier
    CMMG AR-15 5.7x28 CM Barrel w/ Bolt Carrier Kit
    $474.99 $524.99 $359.99 $414.99 Save $115.00
  16. Faxon Firearms Duty Series AR-15 5.56 NATO 1:8 4150 CMV Barrel -10.5"-Carbine-SOCOM
    Faxon Firearms Duty Series AR-15 5.56 NATO 1:8 4150 CMV Barrel
    $163.99 $191.99 $150.99 $176.99 Save $15.00
  19. PROOF Research AR-15 18" Rifle-Length Gas .223 Wylde 1:7 Carbon Fiber-Wrapped Barrel
    PROOF Research AR-15 .223 Wylde 1:7 Carbon Fiber-Wrapped Barrel
    $999.99 $1,149.99 $899.99 $999.99 Save $150.00
  21. TacFire AR-15 Pistol-Length Gas .300 Blackout 1:8 Nitride Barrel - 16"
    TacFire AR-15 Pistol-Length Gas .300 Blackout 1:8 Nitride Barrel
    $101.99 $109.99 $79.99 $104.99 Save $25.00
  23. Faxon Firearms Match Series AR-15 Pistol-Length Gas .300 Blackout SS Barrel-9"-1:8
    Faxon Firearms Match Series AR-15 Pistol-Length Gas .300 Blackout SS Barrel
    $188.99 $197.99 $173.99 $182.99 Save $15.00
  24. Faxon Firearms Duty Series AR-15 .300 Blackout 1:8 4150 CMV Barrel-10.5"-Pistol
    Faxon Firearms Duty Series AR-15 .300 Blackout 1:8 4150 CMV Barrel
    $160.99 $173.99 $148.99 $160.99 Save $13.00
  25. Ballistic Advantage Performance AR-15 10.3" Carbine-Length Gas 5.56 1:7 CMV Barrel w/ Lo Pro Gas Block
    Ballistic Advantage Performance Series AR-15 5.56 1:7 CMV Barrel w/ .750 Lo Pro Gas Block
    Out of stock
    $205.99 $235.99 $194.99 $223.99 Save $12.00
  28. CMMG AR-15 8" Pistol-Length Gas .300 Blackout 1:7 CM Barrel
    CMMG AR-15 .300 Blackout 1:7 CM Barrel
    $199.99 $224.99 $164.99 $179.99 Save $45.00
  30. Faxon Firearms Match Series AR-15 16" Rifle-Length Gas 22 ARC 1:7 Stainless Steel Barrel
    Faxon Firearms Match Series AR-15 Rifle-Length Gas 22 ARC 1:7 Stainless Steel Barrel
    $236.99 $310.99 $218.99 $286.99 Save $24.00
  33. CMMG AR-15 9" .22 LR 1:16 CM Barrel w/ Collar Kit
    CMMG AR-15 .22 LR 1:16 CM Barrel w/ Collar Kit
    Out of stock
    $199.99 $249.99 $174.99 $199.99 Save $50.00
  34. Sons of Liberty Gun Works Precision SPR V2 AR-15 .223 Wylde 1:7 Stainless Steel Barrel - 16"
    Sons of Liberty Gun Works Precision SPR V2 AR-15 .223 Wylde 1:7 Stainless Steel Barrel
    Out of stock
    $399.99
  35. Daniel Defense AR-15 16" 5.56 1:7 CHF CMV Barrel
    Daniel Defense AR-15 16" 5.56 1:7 CHF CMV Barrel
    $375.99 $348.99 Save $27.00
  36. Ballistic Advantage Modern AR-15 14.7" Mid-Length 5.56 1:7 CMV Barrel
    Ballistic Advantage Modern Series AR-15 Mid-Length Gas 5.56 1:7 CMV Pencil Barrel
    $170.99 $180.99 $161.99 $171.99 Save $9.00
  37. CMMG AR-15 4.5" .22 LR 1:16 CM Barrel Kit w/ Bolt Carrier
    CMMG AR-15 .22 LR 1:16 CM Barrel w/ Bolt Carrier Kit
    $324.99 $374.99 $259.99 $299.99 Save $75.00
  38. Faxon Firearms Match Series AR-15 .338 ARC SS Barrel-12.5"-Pistol-1:8
    Faxon Firearms Match Series AR-15 .338 ARC SS Barrel
    $218.99 $224.99 $201.99 $207.99 Save $17.00
  40. Ballistic Advantage Performance AR-15 11.3" Carbine-Length Gas 5.56 1:7 CMV Barrel w/ .625 Lo Pro Gas Block
    Ballistic Advantage Performance Series AR-15 5.56 1:7 CMV Barrel w/ .625 Lo Pro Gas Block
    $220.99 $245.99 $209.99 $232.99 Save $13.00
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