Turn An Glock into a COA Glock

Published on March 20, 2026
Duration: 0:52

This guide details the COA (Cut-On-Axis) optics cut for Glock slides offered by GlockStore. The COA cut is a unique design that captures the optic into the slide with a beveled spot, allowing for a lower mounting position. This modification requires a specialized rear sight to ensure a secure fit. GlockStore has extensive experience with this modification, having completed over 30,000 slide modifications.

Quick Summary

The COA cut for Glock slides, offered by GlockStore, is a unique modification that captures the optic into the slide with a beveled spot, allowing it to sit lower. This process requires a specialized rear sight that secures the optic into its mount for a stable fit.

Chapters

  1. 00:00Introducing the COA Cut for Glock
  2. 00:15COA Cut Design and Benefits
  3. 00:40Specialized Rear Sight Requirement

Frequently Asked Questions

What is a COA cut for a Glock?

A COA (Cut-On-Axis) cut for a Glock slide is a specialized modification where the optic is captured into the slide with a beveled spot. This unique design allows the red dot sight to sit significantly lower on the firearm.

What are the benefits of a COA cut on a Glock?

The primary benefit of a COA cut is achieving a lower optic mounting height on your Glock slide. This can improve sight picture acquisition and potentially reduce the overall profile of the firearm with the optic attached.

What special equipment is needed for a COA cut installation?

Installing an optic with a COA cut requires a specialized rear sight. This unique rear sight is designed to capture the optic into its mount, ensuring a secure and stable fit for reliable performance.

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