Faxon 18" 8.6mm/.338 Bore, Medium Sporter Profiled Blank, 5R 1/3 Twist, 416-R Stainless, MPI

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Presenting Faxon Firearms' Rifled Barrel Blanks – a canvas of precision and innovation, ready to empower your custom firearm project. Crafted from premium 416-R Stainless Steel, meticulously honed, and fully stress relieved, these barrel blanks embody the essence of craftsmanship and excellence.


  • Barrel Material: 416-R Stainless Steel
  • Bore Diameter: 8.6mm / .338"
  • Rifling Type: Button Rifled 
  • Barrel Twist: 1:3
  • Barrel Length: 18"
  • Barrel Profile:  Medium Sporter
  • Magnetic Particle Inspected
  • Fully Stress Relieved
  • Honed & Lapped

Important Note:
Faxon Firearms advises against chambering this barrel blank in any caliber other than 8.6 Blackout due to its extremely fast twist rifling. This barrel blank has exclusively been tested and optimized for use with the 8.6 Blackout chambering. Your safety and satisfaction remain our priority, prompting us to recommend adhering to our guidance for the most effective results.

Experience the true potential of customization with Faxon Firearms' Rifled Barrel Blanks. Each blank is an embodiment of precision engineering, setting the stage for your unique firearm masterpiece. Transform your visions into reality – start your journey today.