Brownells- EoTech - Zeroing

Published on April 22, 2011
Duration: 1:10

This guide details how to zero an EoTech Holographic Weapon Sight (HWS) on an AR-15 platform, as demonstrated by Brownells. It emphasizes starting at 25 yards for initial zeroing due to bore offset, using a stable rest, and firing groups to adjust windage and elevation. The instruction highlights that 1/2 MOA adjustments require 8 clicks for a 1-inch shift at 25 yards and recommends zeroing with any magnifiers in place for optimal accuracy.

Quick Summary

Zero your EoTech HWS starting at 25 yards, using a stable rest. Fire three rounds, identify the group's center, and adjust windage/elevation dials using 1/2 MOA clicks (8 clicks = 1 inch at 25 yards). Zeroing with magnifiers in place ensures consistent accuracy.

Chapters

  1. 00:00Introduction & Setup
  2. 00:13Firing and Grouping
  3. 00:20Adjusting the Sight
  4. 00:32MOA and Magnifier Use

Frequently Asked Questions

How do you start zeroing an EoTech HWS?

Begin zeroing your EoTech HWS at 25 yards. This initial step helps compensate for the optic's window height above the bore and makes achieving a precise zero at longer distances more manageable. Ensure the firearm is stable during this process.

What does 1/2 MOA adjustment mean on an EoTech sight?

A 1/2 MOA adjustment on an EoTech HWS means each click of the dial moves your point of impact by half of a minute of angle. At 25 yards, 8 clicks will shift your impact by approximately 1 inch.

Should I use a magnifier when zeroing my EoTech HWS?

Yes, it is highly recommended to zero your EoTech HWS with any magnifiers in place. This ensures that your point of impact remains consistent when you switch between magnified and unmagnified views.

What is the benefit of zeroing at 25 yards first?

Zeroing at 25 yards is recommended because it simplifies the process of achieving a precise zero at longer distances. It accounts for the height of the optic above the bore, making subsequent adjustments at 100 yards more straightforward.

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