Gaston Glock just wanted to compete to provide a new sidearm for the Austrian military, even though his little company had never made a handgun before.
In fact, he attributed his success to not knowing anything about guns to start with.
Glock learned that the Austrian army wanted a pistol with a high ammunition capacity, more than the eight rounds of the Walther P-38. It should weigh no more than twenty-eight ounces, with a streamlined design and a consistent, light trigger pull. It should also have no more than forty parts. After a year of tinkering and product development, Glock filed for a patent for a pistol design on April 30, 1981. He delivered four test pistols the Austrian army on May 19, 1982. The resulting pistol, known as the Glock 17, swept the army’s handgun trials and was accepted for service, earning Glock a contract for twenty thousand of his new pistols.
A simple design, high capacity, light weight, natural pointability, and rock solid reliability beat everyone. Now, to add a soul. That's the trick.