Gallery of Guns TV - Glock Gen 4 34 Modular Optic System

Published on August 18, 2015
Duration: 3:32

This video explains Glock's Modular Optic System (MOS), which allows for the direct mounting of red dot sights without gunsmithing. It highlights how the system uses interchangeable plates that fit into a milled section of the slide, making optic installation quick and easy. The Gen 4 features are also discussed, including interchangeable backstraps and a reversible magazine catch.

Quick Summary

The Glock Modular Optic System (MOS) allows for direct mounting of red dot sights without gunsmithing. It uses interchangeable plates that fit into a milled section of the slide, simplifying installation and preserving the firearm's warranty. Gen 4 features include adjustable backstraps and a reversible magazine catch.

Chapters

  1. 00:00Introduction to Red Dot Sights
  2. 00:12Glock Modular Optic System (MOS)
  3. 00:24Why Red Dot Sights?
  4. 00:38The Mounting Problem
  5. 00:48MOS Solution: No Gunsmithing
  6. 01:00How the MOS System Works
  7. 01:15Modular Design Benefits
  8. 01:39Glock Gen 4 Features
  9. 01:47Interchangeable Backstraps
  10. 02:06Magazine Catch and Frame Texture
  11. 02:19Recoil Spring Assembly
  12. 02:25Glock's Safe Action System
  13. 02:54Accessory Rail
  14. 03:10Where to Buy

Frequently Asked Questions

What is the Glock Modular Optic System (MOS)?

The Glock Modular Optic System (MOS) is a factory-designed slide configuration that allows for the direct mounting of various red dot sights without requiring custom milling of the slide. It uses interchangeable plates to accommodate different optic footprints, making installation quick and preserving the firearm's warranty.

How does the Glock MOS system simplify optic installation?

The MOS system simplifies optic installation by eliminating the need for gunsmithing. It features a milled section on the slide that accepts interchangeable plates, allowing shooters to mount their preferred red dot sights directly without permanent modifications to the firearm.

What are the key features of Glock Gen 4 pistols?

Glock Gen 4 pistols include interchangeable backstraps for adjustable grip size and trigger reach, a larger and reversible magazine catch for ambidextrous use, a rougher frame texture for a better grip, and dual telescoping recoil spring assemblies for enhanced recoil management.

Can I mount any red dot sight on a Glock MOS pistol?

While the MOS system is designed for broad compatibility, you will need to select the correct interchangeable mounting plate that matches the footprint of your specific red dot optic model. Glock typically offers multiple plate options.

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