• Special proprietary broach cut 6-groove rifling
  • Compatible with all ammo types including cast lead to be used safely
  • Comes with Viton high heat integral O-ring lock thread protector
  • Drop-in match grade 9mm replacement barrel for the Sig P320 Compact, X-Carry, and M18 (will not fit the X-Compact)
  • Advanced broach cut process specifically engineered for increased accuracy potential
  • 100% Designed and manufactured in the USA with USA sourced certified steel
  • Fluted barrel to reduce weight and help cool down quicker
  • SAAMI spec chamber
  • 9mm 1/10 RH twist rifling
  • Improved overall fit from OEM
  • Finish that matches your style - available in Spectrum (Rainbow), Gold TiN, Copper, Black DLC, Stealth Gray, Stainless Steel, and Black Nitride


  • Caliber: 9mm Luger
  • Length: 4.46"
  • Material: 416R Stainless Steel
  • Barrel Diameter: 0.551"
  • Outside Finish:
    • Spectrum (Rainbow)
    • Gold TiN
    • Copper
    • Black DLC
    • Black Nitride
    • Stealth Gray
    • Stainless Steel
  • Weight:
    • Barrel: 3.88 oz.
    • Thread Protector: 0.21 oz.
  • Twist Rate: 1:10
  • Rifling: 6-Groove rifling
  • Thread: 1/2"-28


  • Sig P320 Compact, X-Carry, and M18 (will not fit the X-Compact)
  • Light fitting may be required for some X-Carry models
  • For versions that have a loaded chamber indicator, such as the M18, the need to remove the LCI or modify it by shortening is required to use this barrel


  • 1x True Precision X-Fluted Threaded Barrel for Sig P320 Compact, X-Carry, and M18
  • 1x Thread Protector
  • 1x O-Ring (Pre-Installed In Thread Protector)


The True Precision X-Fluted threaded barrel for the Sig P320 Compact and X-Carry 9mm model handguns is designed to increase shooting accuracy over OEM barrels, and it is compatible with all types of ammo. The updated design offers increased ammo-feed dependability, and the threaded barrel is fluted to reduce weight. The True Precision Sig P320 Compact threaded barrel is available in various finish coatings and is covered by a lifetime warranty.

Advanced Performance

The True Precision threaded barrel for the Sig P320 is designed with a proprietary broach-cut six-groove 1/10 rifling to improve accuracy. It allows for the firing of all types of ammunition, including hand-cast lead bullets. A unique 11-degree competition-style target crown is designed to improve accuracy further. Weighing only 3.53 ounces, the True Precision X-Fluted threaded barrel helps keep your weapon light and easy to shoot.

Quality Construction

The Sig P320 Compact threaded barrel has added chamfers and superior radius cuts designed to provide a better fit and increase performance and durability over OEM barrels. The polished ammo-feed ramp and SAAMI spec chamber have an upgraded design for smoother ammo feeding. The barrel fluting is designed for a faster cooldown of the barrel and reduced weight. The True Precision threaded barrel is available in black DLC, copper, gold TiN, stainless-steel, spectrum, and stealth-gray finishes to allow you to color-customize your handgun. A lifetime warranty protects the barrel on both function and performance.

Easy Installation

The Sig P320 Compact threaded barrel has an easy drop-in design for simple installation and will fit the Sig P320 Compact, X-Carry, and M18 9mm Sig models. Minor fitting may be needed on some of the X-Carry models. Note that this barrel is not designed to fit the Sig X-Compact model.

*Please note that the darkness of the coating is different from batch to batch, and might not look the same as pictures shown.

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