The P220 is built to meet and exceed rigorous military standards. It features a stainless steel slide coated with a durable, wear-resistant Nitron finish, and a light-weight alloy frame with integral accessory rail. The Full Size Legion model is an enhanced version of the P220. It is finished in a proprietary Legion gray coating and features custom G-10 grips with a Legion medallion. The stainless-steel slide sports Sig Sauer Electro-Optics X-RAY high visibility day/night sights as well as front cocking serrations. The P220 Legion also has a contoured Elite beavertail, aggressive front strap checkering, low-profile decocking and slide-catch levers.