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Questions & Answers
can 40s&w be fired regularly through this barrel? Manufacturer Answer

The barrel has not been designed with .40S&W ammunition in mind. While it may be safe to fire through the barrel, functionality and reliability over time are not guaranteed.

by Faxon Firearms, Manufacturer, July 2, 2025
Customer Reviews
Most Recent Reviews
Faxon 10 MM by Davey, Verified Owner, December 11, 2025
Like all Faxon Barrels. Super accurate, fit and finish perfect. Been buying the for awhile now
Most Recent Reviews
Excellent fit and finish by DALE, Verified Owner, September 12, 2024
This barrel was used in building a 10mm carbine on an AR PCC chassis. I always bore scope a barrel first thing upon delivery. This barrel was perfect. The bore had a shine with very light reamer marks. I have had the carbine to the range twice wi...
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Product Info for Faxon Firearms Light Tapered AR-15 10mm Threaded Barrel

Manufactured in-house, these barrels are fully stress relieved, air-gauge tested, and 11 degree target crowned to ensure superior accuracy.image

Quality is imbued into our barrels from the start. We start with the best materials, either certified 4150 Mil-Spec steel or 416-R Stainless. From there, each barrel goes through a battery of tests at each operation until finished in Nitride and final inspected. All barrels are individually checked for headspace by precision custom hardened gauges.

Specifications for Faxon Firearms Light Tapered AR-15 10mm Threaded Barrel:

Manufacturer: Faxon Firearms
Color: Black
Finish: Nitride
Caliber: 10mm Auto
Barrel Profile: Light Taper
Barrel Twist Rate: 1-16
Gun Model: AR-9
Firearms Threads Per Inch: 5/8x24

Package Contents:

  • Faxon Firearms Light Tapered AR-15 10mm Threaded Barrel

Faxon Firearms Light Tapered AR-15 10mm Threaded Barrel Orderable Models

List of Orderable Models

  • Faxon Firearms AR 9 Threaded Barrel, 10mm Auto, 10.5 inch, Light Taper, 1-16 Twist, No Gas Port, 5/8x24, Nitride, Black, 15A1016N10NLQ , MPN: 15A1016N10NLQ , UPC: 816341028005 , Code: 11I-ATB-AR910-15A1016N10NLQ
  • Faxon Firearms AR 9 Threaded Barrel, 10mm Auto, 16 inch, Light Taper, 1-16 Twist, No Gas Port, 5/8x24, Nitride, Black, 15A1016N16NLQ , MPN: 15A1016N16NLQ , UPC: 816341028012 , Code: 11I-ATB-AR910-15A1016N16NLQ
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Last updated 2026-07-02 UTC.