The Smith & Wesson Model 66 represents a significant chapter in the evolution of medium-frame revolvers. Introduced in 1970 as a stainless steel counterpart to the Model 19, this .357 Magnum revolver quickly gained popularity among law enforcement and civilians alike. Its K-frame design, renowned for its balance and handling, combined with the corrosion resistance of stainless steel, made it suitable for various conditions, from concealed carry to target shooting. This combination of features distinguishes the Model 66 from its blued steel predecessor and other revolvers of its era.
The Model 66s durability, accuracy, and chambering in a powerful cartridge established it as a reliable and effective sidearm. Its adoption by numerous police departments solidified its reputation and contributed to its widespread recognition. Furthermore, its appearance in popular culture, including films and television, further cemented its place in firearms history. The evolution of the Model 66 through various engineering changes and variations provides a valuable lens for examining advancements in firearms technology and design throughout the latter half of the 20th century.