Smith & Wesson, Model 640, Classic, Engraved, Double Action Only, Metal Frame Revolver, J-Frame, 357 Magnum, 2.125" Barrel, Stainless Steel, Matte Silver Finish, Wood Grips, Fixed Sights, 5 Rounds
Smith & Wesson, Model 642 Performance Center, Pro Series, Double Action Only, Metal Frame Revolver, J-Frame, 38 Special +P, 1.88" Barrel, Aluminum Alloy, Matte Finish, Silver, Rubber Grips, Fixed Sights, 5 Rounds, Moon Clip
It uses a high strength stainless steel cylinder to control the power of the .38 Special +P round, and an ultralight J frame made from an alloy which supports the high-power rounds but alleviates the burden of heavier materials.