True Precision Hellcat PRO 9mm Luger Threaded Handgun Barrel 3.7in - Stainless - TRUE is proud to offer its drop-in ready barrel for the Springfield Hellcat Pro, designed for the 3.7in Hellcat Pro 9mm models (also available for Springfield Hellcat, 3.1in). TRUE barrels deliver unmatched accuracy, combining advanced cuts, chamfers, and feed ramp designed to outperform OEM standards and to ensure reliable feeding of all types of ammunition designs. True Precision's proprietary stainless steel broach cut rifling underscores True Precision's commitment to those who demand only the best. The TRUE barrel stands as the definitive Springfield Hellcat Pro upgrade - Experience American-made precision, performance, and style. Designed to work with the Hellcat Pro Overall barrel length is 3.7in SAAMI Spec barrel chambered for 9mm Luger 1/2 x 28 Thread Includes high-heat integral O-ring lock thread protector USA-sourced certified 416R stainless steel