Glock 34 Gen4 MOS with front serrations. An uncommon Gen4 competition configuration adding front serrations to the MOS cut before the Gen5 standardized both features. Type: Pistol Action: Semi-Automatic Caliber: 9mm Capacity: 17 Year introduced: 2016, Austria Weight: 22.92 oz Overall length: 8.82" Status: Discontinued Intended use: Competition, Target