True Precision Pistol Barrel 9mm 1/2x28 Thread Sig P365 XL Non-Threaded Gold TiN Sub-Compact. Made from US sourced certified 416R Match Grade stainless steel we go above and beyond to broach cut our rifling through a proprietary process that ensures both peak accuracy and reliability. Enhanced rifling techniques better overall fit lockup finish options and higher quality control standards set our barrels apart from both original OEM designs as well as other aftermarket barrels. Specifications for True Precision Pistol Sig P365 XL Barrel Non-Threaded: Manufacturer: True Precision Caliber: 9mm Luger Gun Make: SIG Sauer Gun Model: SIG Sauer P365 XL Threads per Inch: 1/2x28 Gun Type: Handgun Package Contents: True Precision Pistol Sig P365 XL Barrel Non-Threaded none What firearm models does the manufacturer say True Precision Pistol Sig P365 XL Barrel Non-Threaded is compatible with? The manufacturer says that True Precision Pistol Sig P365 XL Barrel Non-Threaded is compatible with SIG Sauer P365 XLTrue Precision TP-P365XLB-XG: Pistol Barrel 9mm 1/2x28 Thread Sig P365 XL Non-Threaded Gold TiN Sub-Compact