Sig Sauer P320 X, Striker Fired, Semi-automatic, Polymer Frame Pistol, Full Size, 9MM, 4.7 Barrel, Nitron Finish, Black, ROMEO-RS PRO Sight, X-RAY3 Day/Night Sights, X Polymer Grips, 17 Rounds, 2 Magazines 320XF-9-BXR3P-RS The 4.7" slide and barrel offer unparalleled accuracy and comfort without sacrificing the ability to carry concealed. The grip module is compatible with the removable magwell and grip weight and is designed with an extended beavertail and deep undercut for a high grip and better recoil control.