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Faxon Firearms 10.5 inch Government / Socom Barrel - 5.56 NATO - Carbine Length - 4150 QPQ

Faxon Firearms 10.5 inch Government / Socom Barrel – 5.56 NATO – Carbine 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.

Light Profile Barrel – Tough Performance

Built from 4150 CMV Steel – this light profile barrel is meticulously tested to ensure optimum accuracy. Coated with QPQ from inside and out for superior corrosion resistance and endurance. The perfect choice for first time builders or those building all-around weapons.


  • For just over a pound, this barrel is lighter than most competing brands. Save on weight while getting the same optimum performance!


  • Button-rifled and Air-gauge tested to ensure exceptional accuracy.

Tough Finish

  • Coated with QPQ from the inside and out – this barrel is undeniably durable and corrosive resistant.


Material: 4150 CMV Steel
Type: Button Rifled
Caliber: 5.56 NATO
Twist: 1:8
Length: 10.5″
Profile: Light
Gas System: Carbine
Inside Finish: QPQ Nitride
Outside Finish: QPQ Nitride
Muzzle Thread: 1/2-28 TPI (Threads Per Inch)
Gas Block Diameter: .750″
Gas Block Journal Length: 1.1″
Barrel Extension: M4
Weight: 1.10 lbs
Magnetic Particle Inspected!
11-degree Target Crown

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Customer Reviews

Based on 1 review
Love Faxon

I own a few Faxon barrels. They are my go to barrel manufacture. AT3 had a great price and in stock. Received barrel within a few days! Thanks much,when I need something again I'll be back.

We appreciate your feedback, Alex! We'd love to have you back. -- LM