A small J-frame revolver that packs a full-sized punch the Smith Wesson Model 640 is a variation of the Model 40 Centennial. Double action only the frame barrel and cylinder are all constructed of stainless steel and the textured grip is synthetic. Chambered in .357 Mag and .38 Special P with a 5-round capacity the snag-free design with an enclosed hammer make the Model 640 a popular choice for concealed carry. DetailsAction DAO - Caliber .357 MAG .38P - Capacity 5 - Material Steel - Grip Engraved Wood - Finish Stainless Engraved - Sights Black Ramp Fixed - Barrel Length 2.125" - Overall Length 6.625" - Weight 21.8 oz. - Included Mahogany Presentation Case
