Aimpoint COA on our 10-Day COA optic cut.

Published on March 18, 2026
Duration: 1:41

This guide details the installation of an Aimpoint COA red dot sight onto a Glock 19 pistol featuring a custom optic cut. The process involves ensuring firearm safety, unpacking the optic and its accessories, and securely mounting the sight to the milled slide using the provided tools. The video emphasizes the seamless fit achieved with a precision optic cut.

Quick Summary

Mounting the Aimpoint COA on a milled Glock 19 slide involves ensuring the firearm is unloaded, positioning the optic onto the cut, and securing it with the provided mounting screws and L-shaped hex key. Always prioritize safety by clearing the firearm before any installation.

Chapters

  1. 00:00Glock 19 with Optic Cut Overview
  2. 00:04Aimpoint COA Packaging and Features
  3. 00:11Unboxing the Aimpoint COA Optic
  4. 00:22Aimpoint COA Close-up and Design
  5. 00:32Included Documentation and Target
  6. 00:52Aimpoint COA Accessories Included
  7. 01:18Glock 19 Optic Cut Detail
  8. 01:31Aimpoint COA Mounted on Glock 19

Frequently Asked Questions

What tools are needed to mount an Aimpoint COA optic on a Glock 19?

To mount the Aimpoint COA on a milled Glock 19 slide, you will typically need the included L-shaped hex key for the mounting screws and potentially a small flat-head adjustment tool. Always ensure the firearm is unloaded before starting.

What is the purpose of an optic cut on a Glock 19 slide?

An optic cut on a Glock 19 slide is a modification that removes the rear sight dovetail and creates a precise pocket for mounting a red dot sight directly to the slide. This allows for a lower profile and more secure optic installation.

What battery does the Aimpoint COA use?

The Aimpoint COA red dot reflex sight is powered by a common CR2032 button cell battery, which is typically included with the optic upon purchase.

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