Glock 43X MOS, Still Worth It in 2026?

Published on March 8, 2026
Duration: 8:24

This guide details how to upgrade a Glock 43X MOS for enhanced performance and capacity, drawing from an experienced instructor's five years of use. Key modifications include the Radian Ramjet Afterburner, Holosun EPS Carry optic, Shield Arms 15-round magazines, and a Streamlight TLR-7 Sub weapon light, transforming the pistol into a highly capable concealed carry option. The importance of training is stressed as paramount, regardless of gear.

Quick Summary

The Glock 43X MOS, when upgraded with 15-round Shield Arms magazines and a red dot sight like the Holosun EPS Carry, remains a viable concealed carry option for 2026. While the stock version is considered outdated due to its 10-round capacity, these modifications significantly enhance its performance and competitiveness against other modern handguns.

Chapters

  1. 00:50Introduction and Video Overview
  2. 01:43Glock 43X MOS Current Build Breakdown
  3. 02:58Glock 43X MOS Holster
  4. 03:26Handgun Comparisons Overview
  5. 03:52Handgun Size Comparisons
  6. 04:37Key Factors for Handgun Choice
  7. 05:14Glock 43X MOS Worth in 2026
  8. 06:34Out-of-the-Box Alternatives
  9. 07:05Conclusion: Upgraded vs. Stock
  10. 07:56Importance of Training and Outro

Frequently Asked Questions

Is the Glock 43X MOS still a good concealed carry option in 2026?

Yes, but with significant caveats. The stock Glock 43X MOS with its 10-round capacity is considered outdated. However, when upgraded with 15-round Shield Arms magazines, a red dot sight like the Holosun EPS Carry, and potentially a comp like the Radian Ramjet, it becomes a highly competitive and capable concealed carry pistol.

What are the best upgrades for a Glock 43X MOS?

Key upgrades recommended by an experienced instructor include 15-round Shield Arms Gen 2 magazines with a metal mag catch, a red dot sight (Holosun EPS Carry is favored), a Streamlight TLR-7 Sub weapon light, Talon Grips for better purchase, and potentially a Radian Ramjet Afterburner for recoil mitigation.

How does the Glock 43X MOS compare to other compact pistols like the Sig XMacro or Walther PDP Pro?

The Sig XMacro with a Radian comp is similar in size to the upgraded 43X MOS. The Walther PDP Pro is noted for its excellent shooting characteristics but is the thickest among the compared options, making it less ideal for deep concealment. The CZ Shadow 2 Carry offers a comparable grip thickness but a larger slide profile.

What is the main weakness of the Glock 43X MOS?

The primary weakness of the stock Glock 43X MOS is its limited 10-round magazine capacity, which is considered outdated in the current market. Additionally, the stock iron sights are described as 'terrible,' making an optic upgrade highly recommended.

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