Zeroing in field conditions & Iron sight Cowitness

Published on May 18, 2017
Duration: 5:34

This guide details how to quickly zero a red dot sight on a rifle by leveraging pre-zeroed iron sights. The process involves co-witnessing the red dot with the irons, superimposing the red dot onto the front post, and then fine-tuning the red dot's impact based on initial shots. This method is presented as an efficient way to achieve a functional zero in field conditions with minimal ammunition.

Quick Summary

To quickly zero a red dot sight in the field, ensure your iron sights are already zeroed. Mount the red dot to co-witness with the irons, then align the red dot directly over the front sight post. Fire a shot, observe the impact, and adjust the red dot to match that point of impact for a functional zero.

Chapters

  1. 00:04Introduction: Zeroing in Field Conditions
  2. 00:18Tavor X95 and Integrated Iron Sights
  3. 00:31The Problem: Un-Zeroed Firearms
  4. 00:48Installing a Red Dot Sight
  5. 01:21Understanding Co-Witness (Full, Half, 1/3)
  6. 02:11Rough Zeroing with Co-Witnessed Irons
  7. 03:39Initial Firing and Confirmation
  8. 04:03Fine-Tuning the Zero on Steel
  9. 04:18Using Impact Point as Aiming Point
  10. 04:37Zeroing Without Existing Sights
  11. 05:00Advantages of Steel Targets
  12. 05:10Conclusion and Support

Frequently Asked Questions

How can I quickly zero a red dot sight in field conditions?

To quickly zero a red dot sight in the field, first ensure your iron sights are zeroed. Then, mount the red dot so it co-witnesses with the irons. Align the red dot directly over the front sight post. Fire a shot, observe impact, and adjust the red dot to match the point of impact.

What is co-witnessing when mounting a red dot sight?

Co-witnessing means mounting your red dot sight so that your iron sights are visible through the optic. Full co-witness allows you to see the irons clearly, while 1/3 co-witness places the irons lower in the field of view. This allows you to use irons if the red dot fails.

What's the best way to zero a rifle if it has no sights at all?

If your rifle has no sights, start zeroing on paper at a very close distance, like 10 yards. Fire one round, note where it hits, and adjust your sight to aim at that impact point. Gradually move back to 20, then 50 yards, before moving to steel targets.

Can I use steel targets for zeroing a rifle?

Yes, steel targets can be used for zeroing, especially for fine-tuning. They are reactive, so you immediately see your hits. However, for initial zeroing, paper targets are often preferred for precision. You can use the splash mark on steel as an aiming point.

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