This compact, third-generation semi-automatic pistol, chambered in 9mm Parabellum, was produced by a renowned American firearms manufacturer. It features a double-action/single-action trigger mechanism, an ambidextrous safety lever, and a stainless-steel slide and barrel. Variations include the 3903 with an aluminum alloy frame and the 3906 with a stainless-steel frame.
Introduced in the late 1980s, this series of pistols gained popularity among law enforcement and civilians for its reliability, concealability, and relatively high magazine capacity. It represents a significant development in the evolution of semi-automatic handguns, embodying advancements in design and materials. These pistols are known for their durability and ease of maintenance, contributing to their enduring presence in the firearms market, even after being discontinued from production.