Gun of the Week: Smith & Wesson M&P 340

Published on May 14, 2012
Duration: 3:41

Mark Keefe, Editor-in-Chief of American Rifleman, presents the Smith & Wesson M&P 340 as his daily carry firearm. This J-frame revolver is highlighted for its compact size, concealed hammer design, and ability to chamber both .357 Magnum and .38 Special +P rounds. Keefe emphasizes its lightweight scandium alloy frame, Trijicon night sights, and the benefits of Crimson Trace laser grips for enhanced usability in a concealed carry context.

Quick Summary

The Smith & Wesson M&P 340 is a lightweight J-frame revolver ideal for concealed carry, weighing only 13.3 ounces. It features a scandium alloy frame, a 1 and 7/8 inch barrel, and chambers both .357 Magnum and .38 Special +P rounds. Its double-action-only operation and concealed hammer enhance safety and prevent snagging.

Chapters

  1. 00:15Introduction: Smith & Wesson M&P 340
  2. 00:26J-Frame Revolver Explained
  3. 00:38History of J-Frame Revolvers
  4. 00:55Concealed Hammer Design
  5. 01:05M&P 340 Basics: 5-Shot DAO
  6. 01:10Caliber Options: .357 Magnum & .38 Special +P
  7. 01:21Double-Action Only Trigger Operation
  8. 01:34Barrel Length and Sights
  9. 01:42Trijicon Night Sight System
  10. 02:00Weight and Materials: Scandium Alloy Frame
  11. 02:13Frame Protection at Cylinder Gap
  12. 02:30Grips: Stock vs. Crimson Trace Laser Grips
  13. 02:48Safety Features of DAO Revolvers
  14. 03:01Holster Options: Paddle and Pocket
  15. 03:19Conclusion: A Modern Classic

Frequently Asked Questions

What makes the Smith & Wesson M&P 340 suitable for concealed carry?

The M&P 340 is ideal for concealed carry due to its compact J-frame size, lightweight scandium alloy frame, and a concealed hammer that prevents snagging on clothing during draws. It also chambers potent .357 Magnum and .38 Special +P rounds.

What are the key specifications of the Smith & Wesson M&P 340?

This double-action-only revolver features a 1 and 7/8 inch barrel, a 5-round cylinder, and weighs only 13.3 ounces. It is equipped with Trijicon tritium night sights for low-light conditions and can fire both .357 Magnum and .38 Special +P ammunition.

What type of sights does the Smith & Wesson M&P 340 have?

The M&P 340 is fitted with Trijicon 'Big Dot' sights that incorporate tritium for enhanced visibility in low-light or dark environments. The rear sight features a U-shaped groove designed to align effectively with the front sight.

What materials are used in the construction of the Smith & Wesson M&P 340?

The frame of the M&P 340 is made from a lightweight scandium and aluminum alloy, contributing to its low weight of 13.3 ounces. The cylinder is constructed from stainless steel, and a steel insert protects the frame at the cylinder gap.

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