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In 1982, Gaston Glock—an Austrian engineer who had never designed a firearm—won a military contract by rethinking what a pistol could be. While competitors relied on complex metal frames, Glock utilized high-strength polymer, reducing weight and production costs while maintaining extreme durability. The "Safe Action" System

: A mechanical block that prevents the firing pin from moving forward unless the trigger is pulled.

: Known for its polygonal rifling, which provides a better gas seal than traditional lands-and-grooves.

One of the most misunderstood aspects of the Glock is its lack of a manual "on-off" safety switch. Instead, it uses a three-part internal system:

: A small lever integrated into the trigger that must be fully depressed to allow backward movement.

: Ensures the firearm will not discharge if dropped from significant heights. Internal Deconstruction

For a deep dive into the evolution of these pistols, authors like have documented the system's history through various generations in works like Glock Deconstructed .

: A single block of steel treated with a nitrocarburizing process for corrosion resistance.

Glock Deconstructed Page

Glock Deconstructed Page