Smith & Wesson M&P340 .357 Mag 1.875″ 5rd Scandium

The Smith & Wesson M&P340 is a compact J-frame revolver chambered for .357 Magnum designed for concealed carry and close-range defensive use. It pairs a high-strength scandium alloy frame with a short 1.875-inch barrel to minimize weight and overall footprint. The model includes an XS Sights 24/7 tritium front sight and an integral U-notch rear sight for low-light sight acquisition. This configuration is offered without an internal lock.

Key Specifications

• Model designation is M&P340.
• Caliber is .357 Magnum.
• Capacity is 5 rounds.
• Barrel length is 1.875 inches.
• Action type is Double Action Only.
• Frame material is Scandium Alloy.
• Sights are a XS Sights 24/7 tritium front and an integral U-notch rear.
• Overall length is 6.31 inches.
• Frame size is J-Frame.
• The revolver is supplied with no internal lock.

With its short barrel and scandium-alloy construction, the M&P340 emphasizes a compact, easily carried profile while retaining chambering for full-power .357 Magnum rounds. The enclosed hammer and tritium-equipped front sight reduce snag potential and improve low-light usability, making this a pragmatic option for everyday concealed carry or close-range defensive carry where a small, durable revolver is preferred.