Smith & Wesson Centennial Smith & Wesson Centennial S&W Centennial is a family of revolvers made by Smith & Wesson on the "J-Frame". Depending upon caliber, the cylinder holds either 5 (9mm, .38 spl, .357 magnum), 6 (.32 magnum), 7 (.22 magnum), or 8 (.22 LR), cartridges. Centennials feature a fully enclosed (internal) hammer, which makes them Double Action Only (DAO) firearms. Like all other "J-frame" Smith & Wesson revolvers, they have a swing-out cylinder. Centennial models have been made in different versions like PD "Personal Defense", LS "Lady Smith", and M&P "Military & Police" The original Centennial Model 40 was introduced in 1952,
Smith & Wesson $0.25 on every revolver that they made. It would become White's responsibility to defend his patent in any court cases which eventually led to his financial ruin, but was very advantageous for the new Smith & Wesson Company. Smith & Wesson's revolvers came into popular demand with the outbreak of the American Civil War as soldiers from all ranks on both sides of the conflict made private purchases of the revolvers for self-defense. The orders for the Smith & Wesson Model 1 revolver outpaced the factory's production capabilities. In 1860 demand was so great that Smith & Wesson expanded into