Ruger RXM 9mm Threaded Barrel Kit Features The Ruger RXM 9mm Threaded Barrel Kit includes a genuine factory-manufactured barrel to ensure proper fit consistent lockup and optimal function within the RXM system. The threading accepts any standard 1/2-28 Class 2A muzzle device supporting suppressors compensators and other attachments. Installation is quick and straightforward requiring no modifications to the handgun and maintaining Ruger s intended performance standards for a pistol barrel upgrade. The kit includes a matched recoil spring assembly and a thread protector allowing the barrel to function correctly regardless of whether a device is installed. With its durable construction and OEM specifications this barrel provides dependable reliability while expanding the RXM's capability for range or suppressed use. Ruger RXM 9mm Threaded Barrel Kit Specifications Manufacturer: Ruger Model: RXM 9mm Threaded Barrel Kit Caliber Compatibility: 9mm Barrel Length: 4.5 Barrel Description: Threaded Thread Pattern: 1/2-28 Compatibility: Fits Ruger RXM Includes: Thread Protector Recoil Spring Assembly