

The Smith & Wesson M&P 340 is a lightweight J-Frame revolver designed for discreet carry and personal defense. Its Scandium alloy frame keeps weight to approximately 13.3 ounces, while the stainless steel cylinder is chambered for .357 Mag ammunition and holds five rounds. The enclosed-hammer double-action design helps reduce snag points during presentation, and factory night sights provide a visible aiming reference in low-light conditions. A polymer grip completes the compact, practical configuration.
Key features
- Scandium alloy J-Frame keeps the revolver exceptionally lightweight for convenient carry
- Chambered in .357 Mag and capable of firing .38 Special ammunition
- Five-shot cylinder provides a compact personal-defense configuration
- Enclosed-hammer double-action design helps minimize snag points
- Factory night sights support aiming in reduced-light conditions
- Polymer grip offers a durable, lightweight contact surface
The Smith & Wesson M&P 340 combines a compact J-Frame profile with magnum capability and low carry weight for users seeking a dependable defensive revolver.
Smith & Wesson M&P 340 .357 Mag Blue/Black Revolver: quick facts
- What caliber is the Smith & Wesson M&P 340 .357 Mag Blue/Black Revolver?
- It is chambered in .357 Mag.
- How many rounds does it hold?
- 5 rounds.
- How big and heavy is it?
- Barrel length 1.88 inches, overall length 6.31 inches, weight 13.3 ounces.
- What kind of action does it use?
- Double Action.
- Is it optic ready or threaded?
- Optic ready: No; threaded barrel: No.
- What sights and finish does it have?
- Sights: Night Sights; finish: Blue/Black.
- Is it new or used?
- New, in the original packaging.
- Can I buy it in United States?
- Yes. It ships to a licensed FFL dealer in United States; you pick it up there after the background check. Handguns ship to a licensed FFL dealer only, and the buyer must be at least 21 and pass a background check at pickup; some states add a permit, a certificate or a waiting period.
- Is it in stock?
- Yes, at $1013.71. Orders leave within 1-2 business days; shipping is free over $999.
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