Best Holster for Glock 43X MOS (Complete Concealed Carry Guide)
Posted by STS Concealment on Mar 12th 2026
Best Holster for Glock 43X MOS (Complete Concealed Carry Guide)
The Glock 43X MOS has quickly become one of the most popular concealed carry pistols on the market. With its slim profile, excellent reliability, and optics-ready capability, it offers an ideal balance of shootability and concealability.
But choosing the right holster for the Glock 43X MOS is just as important as choosing the firearm itself. A quality holster ensures safe carry, reliable retention, and comfortable everyday use.
In this guide, we’ll break down what makes a great holster for the Glock 43X MOS and what features you should look for when selecting one for concealed carry.
Why Holster Selection Matters
A proper holster does more than simply hold your firearm. It plays a critical role in safety, accessibility, and overall comfort during daily carry.
A well-designed holster should:
- Fully cover the trigger guard
- Provide consistent retention
- Allow a smooth and reliable draw
- Remain comfortable for extended wear
- Maintain a slim profile for concealment
Poorly designed holsters can shift, print through clothing, or create unsafe conditions where the trigger is not fully protected.
Why Kydex Holsters Are a Popular Choice
Many concealed carriers prefer Kydex holsters because of their durability, consistency, and low maintenance.
Unlike leather holsters that can soften over time, Kydex maintains its shape and retention even after years of use.
Advantages of Kydex holsters include:
- Precise firearm fit
- Adjustable retention
- Lightweight construction
- Resistance to moisture and sweat
- Smooth, consistent draw
These characteristics make Kydex an excellent option for everyday concealed carry.
Recommended Holster: STS Concealment IWB Holster for Glock 43X MOS
For those seeking a dependable concealed carry option, the STS Concealment IWB Kydex Holster for the Glock 43X MOS offers a combination of durability, comfort, and reliability.
Each holster is precision-formed from rugged .08” Kydex and engineered specifically for the Glock 43X MOS platform. This ensures a secure fit while maintaining a slim profile that helps reduce printing under clothing.
Key features include:
- Precision fit for Glock 43X MOS
- Durable .08” Kydex construction
- Adjustable retention
- Adjustable cant for customized carry angle
- Heavy-duty belt clip compatibility
- Slim profile for comfortable concealment
- Optional concealment claw
- Made in the USA
- Lifetime warranty
These features allow users to tailor the holster to their personal carry style while maintaining reliable firearm retention.
IWB Carry for the Glock 43X MOS
Inside-the-waistband (IWB) carry remains one of the most effective methods for concealed carry. With the Glock 43X MOS’s slim frame, an IWB holster helps keep the pistol discreet and secure throughout the day.
Many carriers prefer appendix carry or strong-side hip carry, both of which work well with slim-profile holsters designed for concealment.
Final Thoughts
The Glock 43X MOS is an excellent concealed carry pistol, but pairing it with the right holster is essential for safety and comfort.
A high-quality Kydex holster designed specifically for the firearm ensures proper retention, a consistent draw, and dependable everyday carry performance.
If you're looking for a reliable holster built for real-world concealed carry, STS Concealment offers precision-crafted Kydex holsters designed to perform when it matters most.