The Radian Weapons Ramjet & Afterburner Combo is a 3.10-inch barrel made from hardened 416R stainless steel and features a Gray PVD finish. This barrel is designed to fit the Sig P365 and includes a threadless design for easy installation and removal. The INTRA-LOK mounting system utilizes a tapered locking screw that ensures precise alignment and secure attachment of the compensator.Key FeaturesBarrel Length: Measures 3.10 inches, optimized for concealed carry.Caliber: Designed specifically for 9mm ammunition.Material: Constructed from hardened 416R stainless steel for durability and resistance to erosion.Color: Finished in Gray PVD for enhanced corrosion resistance.Sights: No sights included, allowing for customization based on user preference.