The Smith & Wesson Model 640 is a compact all-stainless J-Frame revolver built for dependable personal protection and convenient carry. Chambered in .357 Mag, its five-shot cylinder supports powerful defensive loads while the 2.125-inch barrel keeps the revolver easy to handle in confined spaces. The enclosed internal hammer provides a snag-resistant profile, and the double-action operation offers straightforward use when it matters most. A durable polymer grip and stainless construction provide a practical balance of control, strength, and corrosion resistance.

Key features

• Chambered in .357 Mag for versatile defensive performance
• Five-shot J-Frame cylinder offers a compact carry profile
• Internal hammer helps minimize snagging during presentation
• Double-action operation supports simple, consistent handling
• All-stainless construction provides durability and corrosion resistance
• Polymer grip offers a secure, comfortable hold

The Model 640 combines proven Smith & Wesson J-Frame reliability with an all-stainless construction and compact dimensions suited to personal defense and everyday carry.