Rifleman Review: Smith & Wesson CSX E-Series

Published on February 18, 2026
Duration: 4:42

This review of the Smith & Wesson CSX E-Series highlights its enhancements over the original CSX. Key upgrades include improved trigger feel, red dot optic compatibility (Shield RMSc and Holosun 507K), and increased magazine capacity through modular grip panels and backstraps. The E-Series offers a more refined shooting experience for concealed carry.

Quick Summary

The Smith & Wesson CSX E-Series enhances the original CSX with a crisper, M1911-style trigger and direct mounting capability for Shield RMSc and Holosun 507K red dot optics. Its modular grip system allows for increased magazine capacity up to 17 rounds.

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 upgrades in the Smith & Wesson CSX E-Series compared to the original CSX?

The CSX E-Series features an enhanced trigger for a crisper feel, milled slots for direct mounting of Shield RMSc and Holosun 507K red dot optics, and increased magazine capacity options through modular grip panels and backstraps.

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

The CSX E-Series is designed with a milled slide slot that is compatible with Shield RMSc and Holosun 507K footprint red dot optics, allowing for direct mounting without an adapter plate.

How does the CSX E-Series achieve increased magazine capacity?

The E-Series utilizes interchangeable grip panels and backstrap panels. These components, along with slightly lengthened magazine wells, accommodate longer magazines, allowing for capacities of 15 or 17 rounds.

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