The Herrington Arms HCAT Compensator is designed for the Springfield Hellcat and Hellcat PRO, featuring high-quality 7075 aluminum construction and available in FDE Cerakote or Black Anodized finishes. It significantly reduces both vertical and horizontal recoil, improving target re-acquisition and follow-up shots. Compatible with factory and aftermarket 1/2-28 threaded barrels, it works with stock springs and requires no gunsmithing for installation. Note: it does not fit KKM, Apex, or Barsto barrels. The compensator comes with a lifetime warranty and includes a 1/16 Allen key and steel replacement set screws. Engineered to greatly reduce vertical and horizontal recoil of your gun Makes target re-acquisition easier with follow-up shots Highly durable 7075 Aluminum for extreme longevity and lightness Black Anodize or FDE Cerakote finish to complement your specific configuration Easy to install, no gunsmith required! Uses Steel replacement 6-32 set screws No questions asked, lifetime warranty! DOES NOT WORK WITH KKM, APEX, OR BARSTO BARRELS! REQUIRES A THREADED BARREL Works with Hellcat and Hellcat PRO 9mm models Length is 1 1/8 inches long