The True Precision Sig P365XL 9mm Non-Threaded Stainless Barrel (brand part number TP-P365XLB-X) is a match-grade factory replacement machined from 416R stainless steel billet for shooters upgrading their P365XL’s accuracy. True Precision cuts a broach-cut 6-groove rifling profile and finishes the muzzle with a target crown for tighter groups. Built and machined in the U.S.A., it’s a direct factory-replacement upgrade for concealed carry use, and ships with a thread protector despite being non-threaded.

Key Specifications

• Chambered in 9mm Luger for factory magazines and ammunition.
• Built as a factory replacement barrel for the Sig Sauer P365XL, no additional fitting required.
• Rifled with a 1:10-inch RH rate of twist.
• Broach-cut 6-groove rifling for consistent bullet engagement.
• Finished with a target crown for improved muzzle accuracy.
• Machined from 416R stainless steel billet for corrosion resistance and durability.
• Barrel measures 4.2 inches, an extended-length option over the factory 3.7-inch barrel.
• Ships non-threaded, with a thread protector included.
• Feeds from a SAAMI-spec chamber for reliable ammunition feeding.
• Sold as a bare barrel with no sight cut included.

Frequently Asked Questions

Is this barrel threaded? No, this is the non-threaded version; it ships with a thread protector and installs as a drop-in replacement without a muzzle device mount.

Does it require gunsmithing to install? No, it’s built as a factory replacement barrel for the Sig P365XL.

Is this longer than the factory barrel? Yes, at 4.2 inches it’s longer than the P365XL’s factory 3.7-inch barrel.

Buy the True Precision Sig P365XL 9mm Non-Threaded Stainless Barrel

Upgrade your carry gun’s accuracy with a match-grade barrel built for daily use. Order it from our True Precision lineup, part of our gun parts and accessories selection, at our Lubbock, Texas gun shop for fast, direct shipping.