The Glock 20 FS (Fixed Sights) variant ships with fixed rather than adjustable sights, preferred by law enforcement and self-defense users who want a snag-free profile on the full-size 10mm platform. Type: Semi-Automatic Pistol Action: Striker-Fired Caliber: 10mm Auto Capacity: 15 Year introduced: 2003, Austria Weight: 30.71 oz Overall length: 8.03" Status: Active Intended use: law_enforcement, self_defense, hunting