The Smith & Wesson M640 Pro Series delivers .357 Magnum power in a compact, concealable package engineered for serious defensive applications. This 5-shot revolver combines the reliability of traditional double-action mechanics with modern tactical enhancements that set it apart from standard pocket revolvers.
What Makes This Different
The M640 Pro Series features a matte black finish that eliminates glare while providing superior corrosion resistance compared to standard stainless models. The 2.125-inch barrel delivers optimal velocity for defensive ammunition while maintaining true pocket-carry dimensions. Smith & Wesson's Performance Center tuning ensures consistent trigger pull weights and enhanced accuracy over factory specifications.
Key Features
- Chambered in .357 Magnum/.38 Special +P for maximum versatility and stopping power
- Scandium alloy frame reduces weight to 23 ounces while maintaining full-power capability
- Matte black finish on stainless steel barrel and cylinder prevents corrosion and reflection
- Fixed sights with white dot front for rapid target acquisition in low light
- Enclosed hammer design eliminates snagging on clothing during draw
- Synthetic grip panels provide secure hold in adverse conditions
- 5-shot cylinder capacity with simultaneous ejection via star extractor
Field performance demonstrates consistent 2-inch groups at 25 yards with quality ammunition. The enclosed hammer prevents debris accumulation while enabling smooth pocket carry without printing. Law enforcement agencies appreciate the simplicity of operation under stress, while civilian carriers value the proven reliability in critical situations.
Technical Specs
- Caliber: .357 Magnum/.38 Special +P
- Barrel Length: 2.125 inches
- Overall Length: 6.75 inches
- Weight: 23 ounces (empty)
- Frame Material: Scandium alloy
- Barrel/Cylinder: Stainless steel with matte black finish
- Capacity: 5 rounds
- Action: Double-action only
- Sights: Fixed, white dot front
- Country of Origin: USA
The M640 Pro Series represents Smith & Wesson's commitment to combining traditional revolver reliability with modern defensive requirements. Professional users and serious civilians recognize this model as the benchmark for concealed carry revolvers. Current production models ship with limited availability due to high demand from law enforcement contracts.