Selected Handgun Detail

Smith & Wesson
Model 340
Smith & Wesson Revolver 340 .357 Mag Variant-1
Scale To:
Gun Dimensions Width:No Data
Length:6.313-in Height:No Data
Barrel:1.875-in Weight:12-oz
1 Variant
Gun Rankings
  • Power Factor (158 grain bullet)168744
  • Recoil Factor (158 grain bullet)23.6 ft-lb
  • Total Capacity5 rounds
  • ConcealabilityGood
  • Defense Factor61%
Gun Specifications
Type:Revolver
Caliber:.357 Mag
Action:revolving chamber
Trigger:double-action only (DAO)
Safety:
Cylinder:5-round
Frame:scandium alloy
Grip:Hogue bantam
Sights:serrated ramp front, fixed notch rear
Notes:stainless steel barrel, titanium cylinder
Manufacturer
Smith & Wesson
More Info
About the Gun

Part of the Airlite series, this concealed hammer 'J'-frame revolver features a Scandium frame, various cylinder options, sight options, barrel lengths and grip styles, with matte black or gray metal finish.

Production

Production of this firearm began in 2007 and continues to be manufactured as part of the company's lineup. Specific dates may vary based on serial numbers, and contacting the manufacturer is recommended for precise production details.

Market value
Last updated: 7/9/2025

The MSRP for this gun is approximately $1,129 for a new unit. Market value for a used one in 95% condition ranges from $800 to $950, based on 2024-2025 data from trusted firearm pricing platforms.

Cartridge Specifications
Cartridge: .357 Magnum
Alias: .357 Smith & Wesson Magnum
More Info
Ballistics for This Gun
Selected Bullet Mass:158 grains
MV:1068 ft/sec ME:400 ft-lbs
Analysis

This lightweight .357 Magnum revolver offers a compelling blend of power and portability for concealed carry or backup use. Its compact frame and reduced weight make it easy to carry, while the ergonomic grip design provides a secure hold, even during rapid fire. Accuracy remains commendable for a snub-nose configuration, delivering consistent performance at close to moderate ranges. Reliability is a key asset, with a robust build that handles the potent cartridge well under regular use. However, the trigger pull is notably heavy in double-action mode, which may challenge some shooters seeking smoother operation. Felt recoil is significant due to the lightweight construction, potentially affecting follow-up shots for less experienced users. Maintenance can be demanding, as the compact design complicates disassembly, and sourcing specific replacement parts may pose difficulties. Overall, it’s a solid choice with trade-offs to consider.

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