The Glock 17 is the original full-size 9mm pistol that changed how the industry thought about handgun construction. Introduced in 1982, it uses a polymer frame and steel slide to keep weight down while maintaining durability. Chambered in 9mm with a 17+1 capacity and 4.49-inch barrel, it runs on Glock's Safe Action system, a set of three passive safeties built into the trigger, firing pin, and drop safety that engage and disengage together with the trigger pull. The low bore axis reduces muzzle rise for faster follow-up shots. Used by military, law enforcement, and civilian shooters worldwide for over four decades.