Ruger is excited to introduce the Ruger RXM Threaded Barrel Kit. This Genuine Ruger Factory Accessory is compatible with the Ruger RXM. The factory-manufactured, threaded barrel accepts any 1/2"-28 (Class 2A) muzzle device. This kit contains a factory-manufactured barrel for optimal fit and function. Installing the threaded barrel is quick and easy with no gunsmithing required. Thread protector and recoil spring included.