Not only does this barrel look good but you gain the added benefit of increased lubricity with this Gold Titanium-Nitride finish. Factory replacement barrel designed and tested thoroughly, for the P320 Full-size models. Made of finest quality materials and held to the highest standards. *ONLY compatible with non-loaded chamber indicator slides and pistols. *NOT COMPATIBLE WITH X5 Length Pistols. Product Specifications Model: P320 Threaded Barrel: No Loaded Chamber Indicator: No Caliber: 9mm Luger Barrel Finish: Titanium-Nitride