The True Precision P365-FUSE Barrel is a premium drop-in replacement barrel designed specifically for the Sig Sauer P365-FUSE 4.3" 9mm pistol featuring advanced engineering for enhanced accuracy and reliability.True Precision P365-FUSE 4.3" BarrelUSA-sourced Certified 416R Stainless Steel constructionProprietary Broach Cut 6-Groove Rifling with 1/10 right-hand twistBlack DLC coating for durability and corrosion resistanceCompatible with all ammunition types including cast leadDoes NOT retain LCI (Loaded Chamber Indicator) cut-outDrop-in ready installationEngineered to outperform OEM standards this barrel delivers unmatched accuracy with advanced cuts chambers and feed ramp design for reliable feeding and superior performance in your P365-FUSE pistol.