True Precision Barrel Features The True Precision drop-in barrel is purpose-built for the 3.7 inch Springfield Hellcat Pro using advanced cuts chamfers and a feed ramp design engineered to outperform the factory original equipment barrel. A proprietary broach cut process creates 6 groove rifling that allows for safe reliable function with all ammunition types including cast lead bullets that many factory barrels struggle to cycle cleanly. A 1 in 10 inch right-hand twist rate is matched specifically to 9mm ballistics supporting consistent accuracy at both close and extended defensive distances. The chamber is cut to SAAMI specifications ensuring correct headspace and reliable ignition across a wide range of factory and reloaded ammunition. Machined from USA sourced certified 416R stainless steel the barrel is built entirely in the United States to tight manufacturing tolerances. The threaded 1/2x28 muzzle is notched specifically to accept the Hellcat RDP compensator while remaining compatible with most aftermarket mini and micro compensators on the market. Each threaded barrel ships with a thread protector fitted with a tension lock o-ring keeping the threads protected and rattle-free when a muzzle device is not installed. Backed by a lifetime performance warranty this drop-in barrel gives Hellcat Pro 3.7 inch owners a straightforward path to improved accuracy and dependable feeding. True Precision Barrel Specifications Manufacturer: True Precision Model: Barrel Caliber: 9mm Luger Compatible Hosts: Springfield Hellcat Pro 3.7 Barrel Length: 3.70 Barrel Material: 416R Stainless Steel Barrel Finish: Bead Blasted Stainless Twist Rate: 1:10 RH Thread Pattern: 1/2x28 Weight: 0.3 lbs Available At: GrabAGun