Featuring a 1/10" twist for superior accuracy and precision, the True Precision® Threaded Barrel for Springfield Armory® Hellcat® Pro boasts 1/2x28 threads that allow you to use your favorite muzzle devices such as compensators and suppressors. The included Viton high-heat integral O-ring lock thread protector keeps the threads safe from dirt and other debris when a muzzle device isn't being used. 416R stainless steel construction and a corrosion-resistant finish provide unmatched strength and lasting durability. This drop-in barrel features a SAAMI spec chamber and boasts added chamfers, radius cuts, and a re-engineered feedramp for an improved fit compared to an OEM barrel. Designed for 3.7" Hellcat Pro 9mm models. Lifetime warranty. Made in USA.