Smith & Wesson M&P 340: The Ultimate Deep-Cover Defensive Revolver

The Smith & Wesson M&P 340 is more than just a firearm—it’s a testament to innovation and craftsmanship that is tailored for deep-cover carry and self-defense. It is rooted in the legendary J-Frame revolver lineage from Smith & Wesson and features modern enhancements with time-tested reliability.

Designed for those who prioritize discretion and power, it stands as a premier choice in compact defensive firearms, offering the perfect balance between lightweight construction and robust performance.

Detailed Specifications:

Attribute	Details
Manufacturer	Smith & Wesson
Pricing Unit	GN
Model	M&P 340
UPC	022188030723
SKU	103072
Width	6.9
Length	12.3
Height	2.4
Weight	1.56
Action	DAO
Barrel Description	1 7/8″
Barrel Finish	Matte Black
Barrel Length	1.88″
Barrel Length In Inches	1.875
Caliber/Gauge	.357 Mag
Capacity	5
Cylinder Capacity	5
Cylinder Finish	Black PVD
Description	W/O Internal Lock
Dimension	2.40 X 7.00 X 12.30
Finish	Matte Black
Finish/Color	Black
Frame Color	Black
Frame Description	Aluminum Frame
Frame Designation	J FRAME
Frame Finish	Matte Black
Frame Material	Scandium Alloy
Frame Size	J-Frame
Grip Type	Rubber
Grips	Black Finger Groove
Grips Material	Rubber
Hammer Style	Concealed
Hammer Type	Concealed
Includes	No Internal Lock
OAL (Overall Length)	6.30″
Series	340
Sight Type	Night Sights
Sights	XS Sights 24/7 Night Front, Integral U-Notch Rear
Similar Items	HG3572
Size	Small Frame
Stock	Alloy Frame / Black Synthetic Grips
Trigger Type	Combat
Type	Double Action Only
Weight	13.80 oz
Weight In Ounces	13.3
Weight Range	9 oz to 15.99 oz

Unparalleled Design and Build

The M&P 340 exemplifies modern revolver engineering while staying true to its J-Frame Centennial AirLite origins. Every detail in its construction is deliberate, balancing functionality and aesthetics.

Superior Materials

• Scandium Alloy Frame: This material is popular for its strength-to-weight ratio, making the revolver both lightweight and durable, turning the revolver ideal for extended carry purposes without causing any fatigue.

• Stainless Steel Cylinder: The stainless steel cylinder showcases its property of resistance to corrosion and regular wear and tear, ensuring the longevity of the revolver even under extreme usage scenarios.

• Matte Black Finish: The matte black finish of the Smith & Wesson M&P 340 delivers a sleek feel while using, it also provides a tactical appearance to the revolver and minimizes glare which makes it ideal for low-profile operations and concealed carry purposes.

Concealed Hammer for a Snag-Free Draw

The enclosed hammer design is one of the primary features offered by the Smith & Wesson M&P 340, which is beneficial for concealed carry purposes. The hammer design prevents the revolver from snagging on clothes or holsters, ensuring a smooth draw of the revolver.

Exceptional Performance

The performance offered by the Smith & Wesson M&P 340 is exceptional, especially during the self-defense scenarios. Chambered in the formidable .357 Magnum the revolver features exceptional stopping power which is crucial for a range of operations and also retains compatibility with the softer-recoiling .38 Special rounds for training or less aggressive defensive needs.

Double-Action-Only Trigger

The M&P 340 features a double-action-only (DAO) trigger system which may seem challenging to some shooters than the single-action triggers. The DAO adds an extra layer of safety and simplicity under heavy stress and provides a smooth and consistent pull, making it ideal for both seasoned professionals and amateurs.

Precision Sight System

A rapid and precise target acquisition is crucial for almost all types of operations such as tactical shooting or defensive scenarios, this supreme component of a firearm is efficiently delivered by the M&P 340 with its sight system.

• XS Sights 24/7 Tritium Front Sight: This front sight glows brightly in low-light conditions, improving visibility to a large extent.
• Integral U-Notch Rear Sight: The integral U-notch rear sight is designed for good alignment improving precision and target acquisition even when you are in extreme pressure condition. 

This advanced sighting system significantly improves accuracy, especially in scenarios where split-second decisions are required.

Ergonomics and Comfort

Smith & Wesson didn’t just focus on power—they prioritized comfort and control:

Rubber Grips with Finger Grooves: The rubber grips combined with the finger grooves provide a secure and comfortable hold helping in significant reduction in the case of slippages, improving the control.

Compact Profile: The weight of this revolver at just 13.8 oz provides a competitive edge when compared with other same-segment firearms, This weight of the revolver makes it an ideal option for all-day carry purposes as it can be easily fitted in a pocket, waistband, or ankle holster.

Recoil Management: Despite the small frame and powerful chamber of this revolver, the ergonomic design and superior quality greatly reduce the recoil making the follow-up shots more manageable.

Durability and Reliability

Reliability is the cornerstone of any self-defense firearm, and the M&P 340 performed a perfect job in exceeding the expectations of its users. The robust design of the revolver ensures consistent delivery of performance even when the users use the firearm in extreme conditions.

• Dirt and Debris Resistance: The enclosed hammer and high resistance ability towards corrosion and wear and tear make it stand reliable even in harsh environmental conditions. 

• Tested for Longevity: The Smith & Wesson M&P 340 has the ability to stand still for years, thanks to its scandium alloy frame and stainless steel cylinder.

Practical Applications

The Smith & Wesson M&P 340 shines in various real-world scenarios:

• Everyday Carry (EDC): The everyday carry, one of the most practical features is offered in this firearm. The lightweight build and compact design make it ideal for everyday carry purposes.   
• Backup Weapon: The Smith & Wesson M&P 340 is considered favorable to government officials as a secondary firearm due to its reliable construction and superior performance.  
• Home Defense: The powerful stopping power of this revolver with reliability makes it ideal for home defense or close-quarters encounters. Offers simplicity and reliability for close-quarters situations.
• Travel Companion: The durable built and compact frame enables users to make it their travel companion and a reliable choice for outdoor adventures. 

Maintenance Tips

Proper care ensures the M&P 340 remains a reliable partner for years to come:

• Cleaning: Cleaning your firearm after each use is crucial for its prolonged performance, this can be achieved by regularly cleaning the barrel and cylinder to remove the leftover residue and fouling. 
• Lubrication: Lubrication of the moving parts plays a significant role in delivering the right performance, this can be done by applying the right amount of gun oil to the moving parts of the revolver. This will help prevent the corrosion to your revolver and maintain smooth operation.  
• Periodic Inspections: Conduct periodic checks on your revolvers such as the sights and grips, and the overall structure of the body for signs of any wear and tear. This will significantly reduce the chances of potential accidents and maximize your safety. 

For instance, in the world of double action, swing-out cylinder revolvers, the areas that deserve the most attention are:

• The forcing cone/barrel extension
• The cylinder face and gas ring
• The chambers, including any recessed mouths
• The firing pin channel
• The tip of the hand/pawl

Comparison With Other Models

When compared to other small-frame revolvers, the M&P 340 distinguishes itself through its advanced features and robust materials:

Model	Weight	Sights	Material	Caliber	Unique Features
M&P 340	13.8 oz	XS Tritium, U-Notch Rear	Scandium Alloy Frame	.357 Magnum	Lightweight, snag-free design
Model 442	15 oz	Fixed Front, Integral Rear	Aluminum Alloy Frame	.38 Special	Classic design, lower cost
Model 60	23.2 oz	Adjustable Rear, Ramp Front	Stainless Steel Frame	.357 Magnum	Heavier, better for recoil control

Smith & Wesson M&P 340’s Pros and Cons

Pros:

• Delivery of exceptional power without any compromise in a compact frame.
• The ergonomic grips for enhanced comfort and recoil control.
• The feature of the advanced night sight system significantly improves visibility in low-light conditions, making the firearm ideal for fulfilling the variable needs of shooters.
• Smith & Wesson M&P 340 is known for its reliable performance in a wide range of diverse conditions.

Cons:

• Higher recoil with .357 Magnum rounds may deter new shooters.
• The five-round capacity of this revolver may not suit the needs of shooters when compared to other semi-automatic handguns in this range. 
• The premium price of this revolver may seem expensive and turn prohibitive for some buyers.

Final Thoughts

The Smith & Wesson M&P 340 is a revolver that embodies innovation without sacrificing tradition. Whether you’re a law enforcement professional, a concealed carry permit holder, or someone seeking a reliable home defense option, this firearm delivers. Its lightweight design, robust materials, and advanced features make it a standout in the world of compact revolvers.

This revolver isn’t just about self-defense; it’s about trust. Trust in its ability to perform under pressure, trust in its craftsmanship, and trust in the legacy of Smith & Wesson. For those who demand the best, the M&P 340 is the right investment in safety, security, and unparalleled quality. With this revolver at your side, you’re not just carrying a firearm—you’re carrying decades of expertise and reliability.

Please Note:

Product pricing and availability may vary. Please verify current pricing and stock information from our website at https://www.bigstonesarmory.com.