The Smith & Wesson Performance Center Model 640 Black Edition is a J-Frame revolver chambered for .357 Magnum and .38 Special +P cartridges. It combines double-action-only operation, a concealed hammer, black Cerakote treatment, and tritium night sights in a compact configuration.

Key Specifications

• The chambering supports .357 Magnum and .38 Special +P cartridges.
• The cylinder holds 5 rounds.
• The action is double action only for consistent operation.
• The revolver uses a small J-Frame design.
• The hammer style is concealed.
• The finish is black Cerakote.
• The front and rear sights are tritium night sights.
• The cylinder features a black PVD coating.
• The barrel has a fluted design.
• The listed firearm weight is 23 ounces.

Additional design details include a cylinder cut for full moon clips, included moon clips, and no internal lock. The Model 640 Black Edition provides a distinctive Performance Center configuration for shooters who value a traditional revolver format with modern sighting and finish details.

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