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 Model 625 designed for revolvers chambered in .45 ACP using moon clips. The Model 625 may also fire the newer .45 GAP cartridge, but only with the use of moon clips. Smith & Wesson Model 625 The Smith & Wesson Model 625, is a six-round, double-action revolver chambered for the .45 ACP using moon clips. The Model 625 is an improved stainless steel version Smith & Wesson Model 22 and a direct descendant of the Smith & Wesson M1917 revolver first issued during World War I. Based on S&W's stainless steel N frame (large) revolver, the Model 625 was introduced as the