DEMO Ruger RXM 9mm Luger Threaded Pistol Barrel Kit 4.5in 1/2x28 Nitride Black. The factory-manufactured threaded alloy steel barrel accepts any 1/2in-28 (Class 2A) muzzle device. This kit contains a factory-manufactured alloy steel barrel with black nitride finish for optimal fit and function. Installing the threaded barrel is quick and easy with no gunsmithing required. Thread protector and threaded barrel guide rod assembly included. NOTE: Pistols with threaded barrels are not available in all states and locales due to laws containing feature-based restrictions. Prior to purchasing please check your state and local regulations to verify that you may legally possess such firearms. Specifications for Ruger RXM 9mm Luger Threaded Pistol Barrel Kit: Manufacturer: Ruger Color: Black Fabric/Material: Steel Barrel Length: 4.5 in Threads per Inch: 1/2x28 Caliber: 9mm Luger Barrel Material: 416R Stainless Steel Gun Make: Ruger Gun Model: Ruger RXM Condition: New Firearms Threads Per Inch: 1/2x28 Package Contents: Ruger RXM 9mm Luger Threaded Pistol Barrel Kit What firearm models does the manufacturer say Ruger RXM 9mm Luger Threaded Pistol Barrel Kit is compatible with? The manufacturer says that Ruger RXM 9mm Luger Threaded Pistol Barrel Kit is compatible with Ruger RXMRuger 90786: RXM 9mm Luger Threaded Pistol Barrel Kit 4.5in 1/2x28 Nitride Black