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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. CMMG AR-15 5.7x28 CM Barrel w/ Bolt Carrier Kit
    CMMG AR-15 5.7x28 CM Barrel w/ Bolt Carrier Kit
    $474.99 $524.99 $359.99 $414.99 Save $115.00
  3. CMMG AR-15 .22 LR 1:16 CM Barrel w/ Bolt Carrier Kit
    CMMG AR-15 .22 LR 1:16 CM Barrel w/ Bolt Carrier Kit
    $324.99 $374.99 $259.99 $299.99 Save $75.00
  4. CMMG AR-15 .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
  5. CMMG AR-15 .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
  6. CMMG AR-15 .22 LR 1:16 CM Barrel
    CMMG AR-15 .22 LR 1:16 CM Barrel
    Out of stock
    $174.99 $149.99 Save $25.00
  7. 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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