Glock MOS Gen 5 G19 & G17

Published on October 9, 2018
Duration: 20:16

This guide details the process of installing a red dot sight onto a Glock MOS (Modular Optic System) pistol. It covers safety precautions, selecting the correct adapter plate, mounting the optic, and proper screw tightening. The video emphasizes the flexibility of the MOS system for users wanting to mount optics without custom slide milling.

Quick Summary

The Glock Gen 5 MOS system allows for direct mounting of red dot sights using adapter plates, eliminating custom slide milling. Key features include the Marksman Barrel, nDLC finish, front serrations, and an ambidextrous slide stop. For co-witnessing with optics like the Trijicon RMR, suppressor-height sights are recommended over standard ones.

Chapters

  1. 00:00Introduction to Glock Gen 5 MOS
  2. 01:40MOS System Overview
  3. 04:01Design Updates (Front Serrations, Grip)
  4. 05:43Sights and Co-witness Explained
  5. 08:11Gen 5 Trigger and Marksman Barrel
  6. 10:37Optics Installation Walkthrough
  7. 12:49Live Fire Testing and Performance
  8. 16:03Field Stripping Gen 5 Glock
  9. 16:53Package Contents

Frequently Asked Questions

How do you mount a red dot sight on a Glock MOS pistol?

Mounting a red dot on a Glock MOS involves ensuring the firearm is unloaded, selecting the correct adapter plate for your optic, placing the plate on the slide, mounting the optic, and then securing it with the appropriate screws, being careful not to over-tighten.

What are the key features of the Glock Gen 5 MOS pistols?

Glock Gen 5 MOS pistols feature the Modular Optic System for easy red dot mounting, Marksman Barrels for improved accuracy, nDLC finish, front cocking serrations, and an ambidextrous slide stop. They are chambered in 9x19mm.

Do standard iron sights co-witness with a red dot on a Glock MOS?

No, standard height iron sights typically do not co-witness with most red dot sights, such as the Trijicon RMR, on a Glock MOS. Suppressor-height sights are generally required for co-witnessing capability.

What ammunition was used for accuracy testing in the Glock Gen 5 MOS video?

The video demonstrated accuracy testing using Fiocchi 115gr FMJ ammunition. The results showed a tight shot group at 10 yards, indicating good performance from the pistol and ammunition combination.

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