Transform your SIG-SAUER P320 with the Wilson Combat 320-FST, engineered for peak performance and precision in practical shooting. This innovative grip frame redefines ergonomics, boasting a molded polymer design that enhances control and reduces recoil for unmatched accuracy. Caliber Availability - 9mm, .40 S&W, .357 SIG Upgraded, high-cut 1911-style beavertail grip tang for smooth draws Undercut front-strap and reshaped, radiused trigger guard for the highest grip possible Enlarged, integrated magwell opening for fast reloads-compatible with latest generation SIG-SAUER X-series factory basepads Improved grip traction and grip pattern with Wilson Combat's Starburst grip pattern on sides and aggressive texturing on front and backstrap Frame reference serrations for support hand thumb or index finger positioning Internal Slots for Rod-style Tungsten Weights Angled "Holster Cuts" on light rail to aid in snag-free, re-holstering Factory SIG-SAUER magazine release pre-installed Elevate your shooting experience with the Wilson Combat 320-FST, where engineering meets excellence.