Herrington Arms SIG P365/P365X/P365XL COMPENSATOR - HC365The Herrington Arms HC365 Compensator is designed to work with Sig Sauer P 365 series. The HC365 will work with the stock springs provided your gun has gone through our recommended break in period of 500 rounds factory new ammunition is used with the threaded barrel you intend to use with the firearm before installing a compensator. This comp is designed to cut down on vertical and horizontal recoil of your gun and help mitigate the felt recoil of a