Faxon Match Series Barrel for SIG® P320 Full Size w/ Patented Flame Fluting, 416-R Stainless, Threaded TiN PVD

(5 reviews)
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Faxon’s Match Series pistol barrels for SIG P320 are machined in-house from stress-relieved 416-R stainless steel. These barrels are then given a black Nitride or PVD coating to increase lubricity, barrel life, and resistance to surface wear. All barrels are conventionally rifled to allow a wider range of ammunition to be used, including cast lead. The barrels drop into factory-spec slides with no gunsmithing required. Better-than-factory tolerances ensure a consistent, tighter lockup than OEM. 

 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 & TiN (Gold) PVD
  • Not compatible with M17 or X Series pistols (including the X5 and X5 Legion)

*Will not ship to CA 

Barrel Caliber:
Barrel Profile:
Flame Fluted, Drop In
Barrel Material:
416-R Stainless
Rifling Twist Rate:
Muzzle Thread:
Handgun Type:
SIG® P320 Full Size


  • 5
    Sig P320

    Posted by Robert on Dec 23rd 2021

    Great drop in addition for the Sign P320 color matched with the FCU. Great product and great customer service. And they have outstanding items. Thanks again

  • 5
    Great barrel

    Posted by Michael on Dec 13th 2021

    This barrel fit perfectly in my p320 rx full. The finish is durable and looks great. I am running a Harrington comp and this new configuration significantly reduces muzzle rize and recoil. Would definitely purchase more barrels from faxon.

  • 5
    Great upgrade

    Posted by Richard on Nov 26th 2021

    Tight variance, great fit, and looks amazing. The extra length due to it being a threaded barrel also helps a little with accuracy. Love this barrel

  • 5
    P320 barrel

    Posted by Sean Wagner on Nov 25th 2021

    Fantastic barrel, shoots great no problems, also looks awesome. Just waiting for my suppressor to screw onto it.

  • 5
    Faxon barrel and compensator

    Posted by Tom O'Neill on Nov 15th 2021

    I purchased this barrel and the Faxon Sig Compensator for a P320 Full-size build using a Wilson Combat full size grip model, Sig Custom Works FCU and a Full Size P320 slide. I added a Springer Precision Tungsten guide rod and a 14LB spring. The barrel drops in perfectly and with the 14LB spring the pistol runs flawlessly. The pistol is loud but shoots so softly its like shooting a .22 This combo is absolutely the fastest flat shootingest gun in my safe. I consistently shoot better with this than my Legion X Five. I give the barrel compensator combination my highest recommendation. If you're looking for drop in convenience, fantastic finish and precious accuracy order one of the se barrels. You will not be disappointed!