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Faxon Firearms 14.5 inch Gunner Barrel - 5.56 NATO - Mid-Length - 4150 QPQ

Faxon Firearms 14.5 inch Gunner Barrel – 5.56 NATO – Mid-Length – 4150 QPQ

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90 Day No-Hassle Returns We Pay Return Shipping

We have a 90-day no-hassle return policy. We pay return shipping.

If you need to request a return, contact us at support@at3tactical.com and we will send you a return label

After 90 days, defective items will still be covered under the manufacturer’s warranty, where applicable.

Please refer to the product listing for warranty details. If you have specific warranty questions, contact us at support@at3tactical.com. We may direct you to pursue your warranty claim directly with the manufacturer.

Your satisfaction is our #1 priority

If you’re dissatisfied with your purchase, in any way, please contact us at support@at3tactical.com – we will do our best to make it right.

Fast & Free Shipping On orders over $50

You will receive fast, free shipping for all orders over $50

Shipping cost is $7.99 for orders under $50. We ship with UPS or USPS, depending on the item.

Most orders received by 1pm CST ship the same day

You will receive an email with tracking information at the time of shipment. To expedite shipping, we may ship your order from multiple warehouses. Orders placed on weekends, holidays, or after 1pm will ship the following business day.

High Performing Barrel – Minus the Weight

Faxon Firearms Barrels are known for its superior quality and value. Take this 14.5″ Gunner Barrel for instance, the Gunner’s profile from the extension to the gas block copies the taper of a government profile barrel. Then innovation takes over and the Gunner moves to a .625″ gas block journal and light weight extension to the threads. Expect maximum versatility, heat resistance, and mitigation of barrel whip.


  • Weighing just over a pound, this barrel offers maximum versatility and unquestionable accuracy.


  • Fully stress relieved, air-gauge tested and 11 degree target crowned to ensure exceptional accuracy.

Tough Finish

  • Built from 4150 CMV Steel with QPQ Nitride Finish from the inside and out, this barrel is as strong and tough compared to other expensive brands.


  • Material: 4150 CMV Steel
  • Type: Button Rifled
  • Caliber: 5.56
  • Twist: 1:8
  • Length: 14.5”
  • Profile: GUNNER
  • Gas System: Mid
  • Inside Finish: QPQ Nitride
  • Outside Finish: QPQ Nitride
  • Muzzle Thread: 1/2-28 TPI (Threads Per Inch)
  • Gas Block Diameter: .625″
  • Gas Block Journal Length: 1.9″
  • Barrel Extension: M4
  • Weight: 1.29 lbs
  • Magnetic Particle Inspected!
  • 11-degree Target Crown

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