Rifleman Review: Smith & Wesson CSX E-Series

Published on February 18, 2026
Duration: 4:42

This review of the Smith & Wesson CSX E-Series, presented by an Executive Editor from American Rifleman, highlights its enhanced features over the original CSX. Key upgrades include improved trigger feel, increased magazine capacity options through modular grip sleeves, and compatibility with popular red dot sights like the Shield RMSc and Holosun 507K. The pistol retains its aluminum alloy frame and hammer-fired, semi-automatic action, offering a 1911-style shooting experience in a micro-compact package.

Quick Summary

The Smith & Wesson CSX E-Series enhances the original CSX with an improved trigger, modular grip system for varying magazine capacities (12, 15, 17 rounds), and compatibility with Shield RMSc/Holosun 507K red dot sights, all within its aluminum alloy frame.

Chapters

  1. 00:14Introducing Smith & Wesson CSX E-Series
  2. 00:49Original CSX pistol size comparison
  3. 01:11Introducing the slightly longer barrel model
  4. 01:23Red dot optic compatibility added
  5. 01:46Trigger cleaned up for the E-Series
  6. 02:19Increased magazine capacity due to modularity
  7. 03:13Grip sleeves for different magazine sizes
  8. 03:41Controls and ergonomics described

Frequently Asked Questions

What are the key enhancements in the Smith & Wesson CSX E-Series compared to the original CSX?

The CSX E-Series features an enhanced trigger for a cleaner, crisper pull, increased magazine capacity options through modular grip sleeves, and improved ergonomics with interchangeable grip panels and backstraps.

What red dot sights are compatible with the Smith & Wesson CSX E-Series?

The milled slide cut on the CSX E-Series is designed to accommodate red dot optics with the Shield RMSc and Holosun 507K footprints, allowing for easy mounting of popular micro red dot sights.

What is the magazine capacity of the Smith & Wesson CSX E-Series?

The CSX E-Series offers modularity for different magazine capacities, including 12-round flush-fit magazines, 15-round magazines with a grip sleeve, and 17-round extended magazines.

What type of action does the Smith & Wesson CSX E-Series utilize?

The Smith & Wesson CSX E-Series is a hammer-fired, semi-automatic pistol with a recoil-operated action, offering a shooting experience reminiscent of a 1911 pistol.

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