The Walther GSP Expert is an updated version of the classic GSP, incorporating improvements to the trigger mechanism for more consistent pull weight over thousands of rounds, an updated adjustable rear sight with finer click values, and a revised grip attachment system. The GSP Expert was produced when Walther re-entered the target pistol market before the introduction of the SSP. Type: Pistol Action: Semi-Automatic Caliber: 22 LR Capacity: 5 Year introduced: 2002, Germany Weight: 38.5 oz Overall length: 11.8" Status: Discontinued Intended use: ISSF Standard Pistol, Target, Competition, Olympic