Faxon Sig P320 Fullsize Flame Fluted Barrel, Threaded

Usually ships within 2 business days.
(3 reviews)
Current Stock:

 Why Faxon Pistol Barrels?

  • 4150 or 416-R Stainless - Only the best steels for durability, longevity, and accuracy. 
  • 9mm SAAMI Chambers - Superior accuracy with complete SAAMI compatibility & boring reliability. 
  • Tighter Tolerances - Drop-in, yet better fitment and lock-up. 
  • Conventional Rifling - Fully compatible with cast bullets
  • 11 Degree Target Crown

 Technical Specifications: 

  • Handgun Type: Sig P320 Full Size
  • Barrel Caliber: 9mm
  • Barrel Profile: Flame Fluted, Drop In
  • Barrel Material: 416-R Stainless Steel
  • Barrel Twist: 1:10
  • Muzzle Thread: 1/2x28 TPI
  • Crown: 11-degree Target Crown
  • Rifling Method: Button
  • Rifling Type: Conventional 
  • Inside Finish: Salt Bath Nitride
  • Outside Finish: Salt Bath Nitride
  • Not compatible with M17 or X Series pistols
Barrel Material:
Handgun Type:
SIG® P320 Full Size
Barrel Twist:
Barrel Profile:
Flame Fluted, Drop In
Outside Finish:
Salt Bath Nitride
Muzzle Thread:


  • 5
    Awesome barrel

    Posted by Robert Beeman on Jul 19th 2018

    Shipping was extremely fast. Quality is excellent. Adds 1 “ to original barrel lengths. Longer barrel means more velocity as well as accuracy. Extremely pleased with this product. It looks great with the fluted flames as well.

  • 5
    Sig 320 threaded flame fluted barrel, 9mm

    Posted by Leon A. Houston II on Jun 24th 2018

    Great barrel. I am using in a tactical competition lights out moving target only visible for 1.5 seconds several times during 2 min duration requiring 3 shots.

  • 5
    Nice Barrel

    Posted by Yarael on Jun 13th 2018

    Haven't had a chance to take it out yet but quality is easy to see.