Compatible: Sig P365XL Twist: 1/10 Material: 416R Stainless Steel Heat Treatment: RC 40-42 Caliber: 9mm Length: Threaded Thread Pattern: 1/2x30 Compatible: Sig P365XL Twist: 1/10 Material: 416R Stainless Steel Heat Treatment: RC 40-42 Caliber: 9mm Length: Threaded Thread Pattern: 1/2x30 Thread Protector Zaffiri Precision match grade barrels for SigSauer P365XL. High quality performance you demand with an easy drop-in barrel upgrade. his replacement barrel is precision manufactured in the USA to the highest standards providing exceptional accuracy. Conventional rifling with a polished chamber and bore to perform well with lead, plated, and jacketed bullets. This barrel is ready-to-use and is a perfect replacement for your existing Sig barrel. Available with Titanium Nitride (TiN) Gold or Stainless finishes Specifications Fit: SigSauer P365XL Compatible Drop in fit 9mm Threaded 1/2 x 28 muzzle Thread protector is included SAAMI Spec chamber Quality: 416R Stainless Steel Rifling: Broach Cut 6 Groove Twist: 1/10LH Stress relieved and heat treated to RC 40-42 Target crown and oversized lock up area. Fully supported chamber and improved feed ramp design Conventional rifling with a polished chamber and bore to perform well with lead, plated and jacketed bullets Finish Options: Stainless Steel, Black, Titanium Nitride TiN (Gold) Large *ZP Logo machined on the Port Side of the lockup. Made in the USA Note: Threaded pistol barrels are not legal in all areas. It is your responsibility to check your local laws before ordering a threaded barrel.