FAXON DUTY SERIES THREADED BARREL FOR P320 COMPACT 9MM

FAXON DUTY SERIES THREADED BARREL FOR P320 COMPACT 9MM

Faxon
SKU:
320A910NCNOQ-T
|
UPC:
810209950101
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Description

Faxon Duty Series Threaded Barrel for SIG® P320 Compact 9mm Nitride

Faxon’s Duty Series pistol barrels for SIG® P320 are machined in-house from stress-relieved 4150 CMV 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.

The Faxon Duty Series Threaded Barrel for SIG® P320 Compact delivers rugged reliability and suppressor-ready versatility in a compact drop-in upgrade. Crafted from stress-relieved 4150 CMV steel with a full salt bath nitride finish inside and out for maximum corrosion resistance, wear protection, and lubricity, this threaded barrel is built for hard-use duty, range, or defensive applications where dependability and accessory compatibility are essential.

Key Benefits

  • 4150 CMV Steel: Stress-relieved for maximum 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: Consistent bullet release for enhanced precision.
  • Salt Bath Nitride Finish: Exceptional lubricity, wear resistance, and corrosion protection inside and out.
  • Threaded Muzzle: Ready for suppressors, compensators, or thread protectors.
  • Made in USA: Precision-machined in Faxon's Greater Cincinnati, Ohio facility with ISO:9001 and AS:9100 certifications. Backed by Faxon's Lifetime Guarantee.

Specifications

Caliber
9mm
Handgun Type
SIG® P320 Compact
Length
4.65"
Profile
Duty Series, Drop-In, Threaded
Material
Stress-Relieved 4150 CMV Steel
Rifling
Conventional, Button-Rifled, 1:10 Twist
Finish
Salt Bath Nitride (Inside & Out)
Muzzle Thread
1/2-28 TPI (Threaded)
Crown
11° Target Crown
Compatibility
Drop-in for factory SIG® P320 Compact slides (not compatible with X-Carry, X-Compact, or slides with Tactile Loaded Chamber Indicator, including M18 variant slides)

Why Choose the Duty Series

The Duty Series is engineered for hard-use reliability with tough 4150 CMV steel and a complete salt bath nitride treatment for maximum corrosion and wear resistance. The threaded muzzle adds suppressor or compensator capability while maintaining the compact profile needed for everyday carry on your P320 Compact, providing enhanced performance and longevity for defensive, duty, or range applications.

Installation & Compatibility

  • Drop-in fit for factory-spec SIG® P320 Compact slides — no gunsmithing required.
  • 1/2-28 threads accommodate common 9mm compensators, suppressors, and adapters.
  • Conventional rifling supports cast lead and jacketed bullets.
  • Tighter-than-OEM tolerances for improved lockup and accuracy.
  • Note: Not compatible with X-Carry or X-Compact models, or slides with a Tactile Loaded Chamber Indicator (including the M18 variant slides).

Frequently Asked Questions

Is this barrel drop-in?
Yes — designed for direct replacement in factory SIG® P320 Compact slides with no modifications needed.
What finish is applied?
Salt bath nitride inside and out for superior lubricity, wear resistance, and corrosion protection.
Can I use this with a suppressor?
Yes — the 1/2-28 threaded muzzle is compatible with most 9mm suppressors and compensators.
Is cast lead ammo safe?
Absolutely — conventional rifling allows safe use of cast lead bullets.

Overview: Duty Series Threaded Barrel for SIG® P320 Compact

The Faxon Duty Series Threaded Barrel for SIG® P320 Compact in Nitride provides rugged, duty-ready performance with suppressor-ready capability in a compact package. Machined from stress-relieved 4150 CMV steel with conventional 1:10 twist rifling and tighter tolerances, this barrel offers enhanced reliability and accuracy in a drop-in package.

Fully nitride-treated for superior wear and corrosion resistance, threaded for suppressors or compensators, and drop-in ready for P320 Compact slides, this barrel is perfect for everyday carry, range duty, or defensive use. Backed by Faxon's Lifetime Guarantee and precision-machined in Greater Cincinnati, Ohio.

Additional Information
Caliber:
9mm
Barrel Profile:
Drop In, Duty Series
Barrel Material:
4150 CMV
Finish:
Salt Bath Nitride
Rifling Twist Rate:
1:10
Muzzle Thread:
1/2x28
Handgun Type:
SIG® P320 Compact
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