Turn An Glock into a COA Glock

Published on March 20, 2026
Duration: 0:52

This guide details the COA (Cut-On-Axis) optic cut modification for Glock slides, as explained by GlockStore. This specialized cut allows optics like the Aimpoint ACRO P-2 to sit lower by capturing them into the slide with a beveled design. It requires a unique, specialized rear sight for secure mounting. GlockStore has extensive experience with over 30,000 slide modifications.

Quick Summary

The COA (Cut-On-Axis) cut is a specialized Glock slide modification that captures the optic into the slide with a beveled design, allowing for a lower mounting height. This process requires a unique, specialized rear sight to securely hold the optic. GlockStore offers this service and has performed over 30,000 such modifications.

Chapters

  1. 00:00Introducing 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 is a specialized modification for Glock slides that creates a beveled area to capture the optic directly into the slide, allowing it to sit lower. This method requires a unique rear sight for secure mounting.

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

The primary benefit of a COA cut is achieving a significantly lower optic mounting height on the slide. This can improve the sight picture when using iron sights and potentially reduce the optic's profile.

What is required to install an optic with a COA cut?

Besides the COA cut itself on the slide, a specialized rear sight is mandatory. This unique rear sight is designed to capture and secure the optic within its mount, ensuring stability and reliability.

Who offers COA cuts for Glocks?

GlockStore offers the COA cut service for Glock slides. They have extensive experience, having completed over 30,000 slide modifications using this technique.

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