Ruger RXM Threaded Barrel Kit 9mm Luger 4.5" Black Nitride - 90786

This genuine Ruger factory threaded barrel kit is designed for Ruger RXM pistols originally equipped with 4" non-threaded barrels. The alloy steel barrel features a black nitride finish and accepts standard 1/2"-28 muzzle devices. Installation requires no gunsmithing and the kit includes a thread protector and threaded barrel guide rod assembly.