Zaffiri Precision match grade barrels for Sig Sauer P365. High quality performance you demand with an easy drop-in barrel upgrade. his replacement barrel is precision made in specialized factories 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. Specifications for Zaffiri Precision Sig P365 Flush and Crown Pistol Barrel: Manufacturer: Zaffiri Precision Fabric/Material: 416R Stainless Steel Cartridge: 9mm Luger Gun Make: SIG Sauer Gun Model: SIG Sauer P365 Barrel Length: 3 in Barrel Material: 416R Stainless Steel Barrel Twist Rate: 1-16 Flutes: Yes Weight: 6 oz Condition: New Quantity: 1 Features of Zaffiri Precision Sig P365 Flush and Crown Pistol Barrel Fit: Sig P365 Compatible Drop in fit 9mm Threadless Flush & Crown length (see photos) 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. Package Contents: Zaffiri Precision Sig P365 Flush and Crown Pistol Barrel