How to Sight In Your AR Optic In 5 Minutes or Less - Red Dot, LPVO, Riflescope, Prism, Holographic

Published on January 30, 2025
Duration: 6:11

This guide details how to quickly sight in an AR-15 optic, including red dots, LPVOs, and scopes. It emphasizes pre-sighting checks, starting at close range, and utilizing the MOA formula for precise adjustments. The video stresses the importance of consistent ammunition and a stable shooting platform for accurate results.

Quick Summary

To sight in your AR optic quickly, start with a visual bore sight check. Then, fire 3-5 shots at 50 yards, measure your group's distance from the bullseye, and use the MOA formula (Inches from Bullseye * MOA per inch at distance) to calculate adjustments for your optic.

Chapters

  1. 00:00Introduction to Optic Sighting
  2. 00:24What You'll Need for Sighting In
  3. 00:57Initial Checks: Bore Sighting
  4. 01:22Starting at Close Range (20 ft)
  5. 01:29Why Zero at 50 Yards?
  6. 01:49Zeroing at Your Desired Distance
  7. 02:09Shooting Groups and Adjusting
  8. 02:24Traditional vs. MOA Adjustment Method
  9. 02:49Understanding MOA
  10. 03:04The MOA Adjustment Chart Explained
  11. 03:51MOA Calculation Example (100 Yards)
  12. 04:14MOA Calculation Example (50 Yards)
  13. 04:31Applying the MOA Adjustment to Your Optic
  14. 04:52Troubleshooting: Mounts and Stability
  15. 05:15Importance of a Stable Shooting Platform
  16. 05:31Conclusion: Fast and Easy Optic Zeroing
  17. 05:36Practice and Training are Key
  18. 05:44Further Optic Resources

Frequently Asked Questions

What are the essential items needed to sight in an AR-15 optic?

You'll need your cleaned and lubricated AR-15, the optic you intend to mount, consistent ammunition matching your intended use, and a stable shooting platform like sandbags or a backpack for accuracy.

How can I ensure my AR optic is roughly on target before live fire?

Perform a visual bore sight check by disassembling the upper receiver and looking down the barrel. Align your optic's reticle with the direction of the barrel to ensure you're at least hitting paper when you start shooting.

What is the MOA formula for adjusting firearm optics?

The MOA formula helps calculate adjustments: multiply the inches your group is from the bullseye by the MOA value per inch at your shooting distance. This gives you the total MOA adjustment needed for your optic.

Why is a stable shooting platform important when sighting in a rifle?

A stable shooting platform eliminates shooter-induced errors, ensuring that any adjustments made are to the optic itself and not compensating for movement. This leads to more accurate and efficient zeroing.

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