Smith & Wesson Centennial means the shooter takes longer to bring the firearm back on line for a second shot. 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
Smith & Wesson its most widely used revolver, the .38 Military & Police (also known as the Smith & Wesson Model 10). With over 6 million produced, it became the standard sidearm of American police officers for much of the 20th century. An additional 1 million of these guns were made for the US Military during World War II. The post-war periods in the 20th century were times of great innovation for the company. In 1935 Smith and Wesson released the Smith & Wesson Model 27 which was the first revolver chambered for .357 Magnum. It was designed as a more powerful handgun