First Look At The Gen6 Glock COA's!

Published on April 2, 2026
Duration: 4:35

This video provides a first look at the new Glock COA (Cut-Off Action) models, specifically the Glock 19 Gen 6, Glock 17, and Glock 45. It highlights the proprietary rear sight system designed to lock the COA optic in place without screws interfering with the optic's internals. The video also introduces aftermarket sight options, such as Angry Bear Sights, which offer improved co-witness capabilities and tritium inserts for low-light conditions.

Quick Summary

The new Glock COA (Cut-Off Action) pistols, including the Gen 6 Glock 19, feature a factory-installed optic mounting system. This system uses a proprietary rear sight to secure the optic, avoiding screws through the optic body. While offering a minimal co-witness, aftermarket sights like Angry Bear Sights provide taller co-witness options and tritium inserts.

Chapters

  1. 00:00Introduction to Glock COA
  2. 00:31Glock 19 Gen 6 COA
  3. 00:37Factory Sight System Explained
  4. 01:49Aftermarket Sight Options
  5. 02:03Angry Bear Sights
  6. 02:50Co-witness Heights Explained
  7. 03:32Availability and Shipping

Frequently Asked Questions

What are the new Glock COA pistols?

The new Glock COA (Cut-Off Action) pistols are factory-equipped with an optic cut and a proprietary mounting system. Models include the Glock 19 Gen 6, Glock 17, and Glock 45, designed to securely hold optics using a specialized rear sight mechanism.

How does the factory Glock COA sight system work?

The factory Glock COA system utilizes a proprietary rear sight that locks the optic into place. This design prevents screws from interfering with the optic's internal electronics and provides a secure mount without external fasteners through the optic body.

What are the co-witness options for Glock COA pistols?

Factory Glock COA pistols offer a very minimal co-witness, approximately 1/20th of the optic window. Aftermarket sights, such as Angry Bear Sights, are available to provide a taller co-witness, with options for 1/3 co-witness (around 33% of the window).

Are there aftermarket sights for the new Glock COA models?

Yes, aftermarket sights are available for the new Glock COA models. Brands like Angry Bear Sights offer improved co-witness heights, different front sight colors, and tritium inserts for low-light conditions, providing an alternative to the factory setup.

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