Sig Sauer®'s P320® XFIVE® Legion Optics-Ready Full-Size Semi-Auto Pistol is a workhorse right out of the box. The slide features front and rear angled cocking serrations, and an optics cut where the rear sight sits. The TXG Tungsten-infused grip module brings the pistol to 43.5 oz. with an empty magazine; this gives you around 50% less muzzle flip according to Sig Sauer. The Legion flat-faced trigger. The detachable magwell aids in quick magazine changes and can be removed for better concealment. Includes 4-21 round magazines.