The True Precision Match Barrel for the SIG Sauer P365 in 9mm, 3.1 inches (brand part no. TPP365BXTG) is a drop-in-ready upgrade machined from 416R stainless steel, built for the 3.1-inch P365, P365 SAS, and P365X models. True Precision builds its barrels around advanced cuts, chamfers, and an improved feed ramp designed to outperform the OEM barrel, with proprietary stainless steel broach-cut rifling underscoring the company’s commitment to accuracy. The threaded muzzle adds versatility for a suppressor or compensator. True Precision positions this barrel as the definitive P365 upgrade for shooters who want more consistent accuracy from their carry pistol.

Key Specifications

• Chambered in 9mm Luger.
• Barrel length measures 3.1 inches, matching the P365, P365 SAS, and P365X slides.
• Rifling uses a 1:10-inch right-hand twist rate.
• Machined from 416R stainless steel.
• Rifled using proprietary stainless steel broach-cut rifling.
• The muzzle is threaded, for suppressor or compensator use.
• Built as a drop-in-ready upgrade requiring no gunsmithing.
• Features advanced cuts and chamfers designed to outperform the OEM barrel.
• Includes an improved feed ramp for reliable feeding of all ammunition designs.

Frequently Asked Questions

What pistols does this barrel fit? The 3.1-inch SIG P365, P365 SAS, and P365X models.

Is the muzzle threaded? Yes, the threaded muzzle supports a suppressor or compensator.

Is gunsmithing required to install it? No, it is a drop-in-ready barrel.

Buy the True Precision Match Barrel

Upgrade a SIG P365 with a threaded, drop-in barrel built to outperform the factory unit. Browse more True Precision parts in our handgun barrels selection and order direct from our Lubbock, Texas gun shop for fast shipping to your door.