Thoughts on the Glock 19 MOS after 9k rounds.

Published on April 11, 2017
Duration: 5:57

The Glock 19 MOS offers modular optic mounting but suffers from shallow screw engagement for optics like the Trijicon RMR, requiring frequent screw tightening. Despite this, the pistol retains Glock's renowned reliability and is a cost-effective option for those prioritizing easy optic swaps, provided they manage the mounting hardware. Suppressor height sights are necessary for co-witnessing with mounted optics.

Quick Summary

The Glock 19 MOS has a notable issue with optic mounting: the adapter plates lack sufficient screw depth for optics like the Trijicon RMR, causing them to loosen frequently. Suppressor height sights are required for co-witnessing.

Chapters

  1. 00:00Introduction to Glock 19 MOS
  2. 00:45MOS System Mechanics & Round Count
  3. 01:30RMR Mounting Screw Issues
  4. 02:48Optic Height & Suppressor Sights
  5. 03:48Reliability and Conclusion

Frequently Asked Questions

What is the main criticism of the Glock 19 MOS regarding optics?

The primary issue is the shallow screw engagement depth for optics like the Trijicon RMR. Screws tend to loosen every 500-600 rounds, even with Loctite, due to the thin adapter plates.

What type of sights are needed for the Glock 19 MOS with an optic?

You need extra-tall suppressor height sights, such as those from Ameriglo, to properly co-witness with a red dot optic mounted on the Glock 19 MOS system.

How reliable is the Glock 19 MOS after extensive use?

Despite the optic mounting quirks, the Glock 19 MOS maintains standard Glock reliability, as evidenced by the speaker's experience with over 12,000 rounds fired through the pistol.

Is the Glock 19 MOS a good option for concealed carry?

Yes, the Glock 19 MOS is a versatile and cost-effective option for concealed carry (EDC) and self-defense, especially for those who want the flexibility to easily mount and swap optics.

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