How To Zero An AR-15 With A Red Dot Optic

Published on November 24, 2012
Duration: 6:18

This guide, presented by an expert firearms instructor from Mrgunsngear Channel, details the process of zeroing an AR-15 rifle with a red dot optic like the Aimpoint PRO. It emphasizes using consistent ammunition, a stable shooting rest, and making incremental adjustments at 50 meters to achieve a precise point of impact. The instruction covers understanding optic adjustments and the iterative nature of achieving a tight, centered group.

Quick Summary

Zeroing an AR-15 with a red dot optic involves firing a group at 50 meters, analyzing its position, and making incremental adjustments to the optic's windage and elevation turrets. Ensure a stable, free-floated barrel rest and use consistent ammunition for accurate results. Repeat the fire-and-adjust process until the group is centered on the bullseye.

Chapters

  1. 00:00Introduction to Red Dot Zeroing
  2. 00:10Pre-Zeroing Considerations & Setup
  3. 01:51Initial Group Analysis
  4. 02:45Making Optic Adjustments
  5. 03:43Iterative Zeroing Process
  6. 05:18Conclusion & Confirmation

Frequently Asked Questions

What is the recommended distance for zeroing an AR-15 with a red dot optic?

The video recommends zeroing at 50 meters. This distance allows for effective adjustments and confirmation of the optic's point of impact relative to the rifle's point of aim, especially when using common ammunition like 5.56x45mm NATO.

How do I adjust a red dot sight like the Aimpoint PRO?

Red dot sights typically have adjustment turrets for windage (left/right) and elevation (up/down). For the Aimpoint PRO, turn the windage knob opposite the 'Right' arrow to move impact left, and the elevation knob in the 'Up' direction to move impact higher. Make small, incremental adjustments.

Why is it important to use consistent ammunition when zeroing a rifle?

Using the same ammunition you intend to use for your primary purpose (defense, hunting, etc.) is critical because different ammunition types can have varying ballistics and points of impact. Consistent ammo ensures your zero is accurate for your intended use.

What is the significance of barrel harmonics in rifle accuracy?

Barrel harmonics refers to the vibrations a barrel undergoes when fired. If the barrel is in contact with a shooting rest, these vibrations can be dampened or altered, leading to inconsistent shot placement and affecting the accuracy of your zero.

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