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    6mm ARC
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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.

  1. Ballistic Advantage Premium Series AR-15 6mm ARC 1:7 SS Barrel
    Ballistic Advantage Premium Series AR-15 6mm ARC 1:7 SS Barrel
    $235.99 $315.99 $223.99 $299.99 Save $16.00
  2. Ballistic Advantage Premium Black Series AR-15 6mm ARC 1:7 SS 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
  4. PROOF Research AR-15 6mm ARC 1:7.5 Stainless Steel Barrel
    PROOF Research AR-15 6mm ARC 1:7.5 Stainless Steel Barrel
    $749.99 $649.99 Save $100.00
  5. PROOF Research AR-15 6mm ARC 1:7.5 Carbon Fiber-Wrapped Barrel
    PROOF Research AR-15 6mm ARC 1:7.5 Carbon Fiber-Wrapped Barrel
    $1,149.99 $999.99 Save $150.00
  8. Odin Works AR-15 21 XL Rifle-Length Gas 6mm ARC 1:7.5 Stainless Steel Barrel with .875 Adjustable Gas Block
    Odin Works AR-15 21 XL Rifle-Length Gas 6mm ARC 1:7.5 Stainless Steel Barrel with .875 Adjustable Gas Block
    Out of stock
    $399.99 $454.99 $379.99 $434.99 Save $20.00
  10. Rosco Purebred AR-15 6mm ARC 1:7.5 Stainless Steel Barrel
    Rosco Purebred AR-15 6mm ARC 1:7.5 Stainless Steel Barrel
    Out of stock
    $250.99 $270.99 $219.99 $243.99 Save $31.00
  13. CMMG AR-15 16" Rifle-Length Gas 6mm ARC 1:7.5 SS Barrel
    CMMG AR-15 16" Rifle-Length Gas 6mm ARC 1:7.5 SS Barrel
    Out of stock
    $239.99 $199.99 Save $40.00
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