The Sig Sauer P320 XFive Legion is a pistol for the serious shooter. Its construction of a mix of polymer and steel helps reduce the muzzle flip by up to 50%. The smooth and clean trigger pull is up to 30% lighter with the new skeletonized trigger. Features include a 5 inch bull barrel, fiber optic front sight and adjustable rear sight, and a removable magwell and weight grip P320 LEGION R2 FEATURES The P320 X-Series has an enhanced X grip module with extended beavertail, 4-sided beveled magwell, and a crisp trigger guard undercut. It also has a M1913 Picatinny rail. This model features Dawson Precision fiber optic front and adjustable rear sights.