The G34 Gen4 brought the long-slide 9mm competition formula to the Gen4 frame with dual recoil spring, interchangeable backstraps, and an ambidextrous magazine release. Competition shooters who had run Gen3 G34s through thousands of rounds found the Gen4 improvements meaningful at the recoil system level. It remained the production standard until the Gen5 MOS replaced it. Type: Pistol Action: Semi-Automatic Caliber: 9mm Capacity: 17 Year introduced: 2000, Austria Weight: 22.9 oz Overall length: 8.8" Status: Active Intended use: Competition