The TRUE Precision Threaded Barrel for Ruger RXM delivers exceptional accuracy and reliability with 416R stainless steel construction and 1/2X28 threading for suppressor or muzzle device compatibility.TRUE Precision Threaded Barrel for Ruger RXM PistolsFits 3.9" RXM 9mm models - drop-in ready installation416R stainless steel construction with proprietary broach cut riflingSAAMI Spec 9mm chamber for optimal performance1/2X28 threading for suppressors and muzzle devicesAdvanced cuts chamfers and feed ramp designReliable feeding with all ammunition typesAmerican-made precision engineeringEngineered to outperform OEM standards this TRUE barrel offers unmatched accuracy and represents the definitive upgrade for Ruger RXM pistols combining precision manufacturing with reliable performance for demanding shooters.