The Herrington Arms HC320 Compensator is designed to work flawlessly with Sig Sauer P320 series, it does an amazing job at reducing vertical climb of muzzle as well as reducing the horizontal recoil arc, it is made of high-quality 6061 aluminum and coated with Black Cerakote finish to compliment your Sig P320 configuration. Works great with stock springs so no need to change anything, fits on 1/2-28 threaded barrel X-Compact, Compact, X-Carry and full-size P320 s. Product Features Engineered to greatly reduce vertical and horizontal recoil of your gun Makes target re-acquisition easier with follow-up shots Highly durable 6061 Aluminum for extreme longevity and lightness Black Cerakote finish to compliment your configuration Easy to install, no gunsmith required! Uses Steel replacement 8-32 set screws Product Specifications Material: 6061 Aluminum Finish: Black Cerakote finish Compatibility: Full size P320 s, P320 XCompact, P320 Compact, P320 XCarry 1/2-28 threaded barrels Included: 5/64 Allen key, Steel replacement 8-32 set screws