Gun of the Week: Ruger RXM

Published on March 20, 2026
Duration: 2:43

This guide details the process of mounting an optic on the Ruger RXM, emphasizing the importance of using the correct pins for various footprints and checking for co-witness with iron sights. The video features Jay Grazio, Executive Editor of American Rifleman, providing expert insights into the RXM's design and functionality, including its modular chassis system and Magpul frame.

Quick Summary

The Ruger RXM is a 9mm striker-fired pistol featuring a modular chassis system and a Magpul polymer frame, often compared to the Glock 19. Its slide is optics-ready for RMR/RMSc footprints and co-witnesses with iron sights. The chassis system allows for grip frame customization, enhancing its appeal for concealed carry and personal defense.

Chapters

  1. 00:00Introduction: Gun of the Week
  2. 00:09Ruger RXM Overview
  3. 00:20Magpul Collaboration
  4. 00:29Glock 19 Comparison
  5. 00:48Chassis-style Fire Control Group
  6. 01:04Customization & Stippling
  7. 01:16Caliber and Magazine
  8. 01:27Sighting Arrangement
  9. 01:36Optics Ready Design
  10. 02:01Optics Mounting & Co-witness
  11. 02:08Accessory Rail
  12. 02:18Future Grip Modules & Performance
  13. 02:29More Information

Frequently Asked Questions

What are the key features of the Ruger RXM pistol?

The Ruger RXM is a 9mm striker-fired pistol featuring a modular chassis system, a polymer frame made by Magpul, and a slide cut for optics with RMR and RMSc footprints. It accepts both Magpul and Glock OEM magazines.

How does the Ruger RXM compare to the Glock 19?

The Ruger RXM shares operating system similarities with the Glock Gen 3 and is often compared to the Glock 19, a popular concealed carry choice. The RXM's key differentiator is its chassis system, allowing for grip frame interchangeability and customization.

Can the Ruger RXM be fitted with aftermarket sights or optics?

Yes, the Ruger RXM comes optics-ready with a multi-optic cut slide that accommodates RMR and RMSc footprints using movable pins. Most mounted optics will co-witness with the factory iron sights (single white dot front, serrated black rear).

What is the significance of the chassis system in the Ruger RXM?

The chassis system houses the fire control group, enabling modularity. This allows users to swap grip frames for different colors, sizes, or textures, offering a high degree of customization without needing to replace the entire firearm.

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