The Model 640 Pro Series is a small frame concealed hammer revolver that packs a full-sized punch. It integrates the time-tested features of the original with modern advancements and competition specifications and features. This model has a stainless steel frame, cylinder and barrel, dovetail Tritium night sights and a concealed hammer. Includes a moon clip.
| Frame Description | Stainless Steel Frame |
| Type | Revolver |
| Caliber | 38 Special +P |
| Barrel Length Range | 2" to 2.99" |
| Grips | Black Finger Grooved |
| Cylinder Finish | Satin |
| Barrel Finish | Satin |
| FireArm | yes |
| Frame Size | J-Frame |
| Capacity | 5 |
| Hammer Style | Concealed |
| Barrel Length | 2.13" |
| Sights | Dovetail Tritium Night |
| Weight | Satin |
| OAL | 6.63" |
| Includes | Moon Clip |
| Weight Range | 16 oz to 31.99 oz |
| Action | DAO |
