Norsso N365 3.1in 9mm Barrel Satin Stainless LVL1.5 Silver. Works best with Norsso N365 or N365DG slides but also works with P365/365X/X-Macro Comp factory slides as a drop-in replacement (for slides without LCI) Fully supported chamber to reduce case bulging and blowout risk. Trimmed and crowned front muzzle profile. Protects optic window corrosion by excluding the Loaded Chamber Indicator slot Specifications for Norsso N365 3.1in Barrel for SIG Sauer P365 9mm: Manufacturer: Norsso Color: Stainless Steel Silver Finish: Satin Fabric/Material: 17-4 Stainless Steel Caliber: 9mm Luger Gun Make: SIG Sauer Gun Model: SIG Sauer P365 Barrel Length: 3.1 in Barrel Twist Rate: 1-10 Flutes: No Weight: 2.3 oz Features of Norsso N365 3.1in Barrel for SIG Sauer P365 9mm No LCI Slot Top Chamber design No fluting Rifling: 1:10 RH Package Contents: Norsso N365 3.1in Barrel for SIG Sauer P365 9mm What firearm models does the manufacturer say Norsso N365 3.1in Barrel for SIG Sauer P365 9mm is compatible with? The manufacturer says that Norsso N365 3.1in Barrel for SIG Sauer P365 9mm is compatible with SIG Sauer P365Norsso N365-BRL-9MM-SSS-LVL1.5: N365 3.1in 9mm Barrel Satin Stainless LVL1.5 Silver