What is MOA? - This is How Minute of Angle Works

Published on June 20, 2025
Duration: 5:25

This video explains Minute of Angle (MOA) as a unit of angular measurement used for precision in shooting. It details how MOA relates to adjustments on optics and the size of shot groups at various distances, emphasizing its importance for accurate aiming and dialing in firearms. The instructor highlights that shooter skill is foundational to achieving tight groups, regardless of equipment.

Quick Summary

Minute of Angle (MOA) is a unit of angular measurement used in shooting to describe precision. One MOA at 100 yards equates to approximately one inch of impact shift, making it a standard for calibrating optics and evaluating rifle accuracy. A rifle rated at 1 MOA will produce roughly 1-inch groups at 100 yards, 2-inch groups at 200 yards, and 3-inch groups at 300 yards.

Chapters

  1. 00:00Introduction to MOA
  2. 00:26Understanding Minute of Angle
  3. 00:33Visualizing MOA
  4. 00:46Calculating MOA
  5. 00:59MOA and Distance
  6. 01:15Why Use MOA?
  7. 01:37MOA in Action: Bullet Cone
  8. 01:44MOA vs. Range
  9. 01:543 MOA Example
  10. 02:07Whiteboard Illustration
  11. 02:193 MOA Gun Example
  12. 02:36Calculating Shot Group Size
  13. 02:44Chasing Sub MOA
  14. 03:00Shooter Skill Foundation
  15. 03:21Zeroing Your Rifle
  16. 03:33Scope Turret Adjustments
  17. 03:57Math for Adjustments
  18. 04:13MOA in Red Dots
  19. 04:25Red Dot Dot Size
  20. 04:44Tweak Until It Lands
  21. 04:50Conclusion: What is MOA?
  22. 05:02Practice and Further Learning

Frequently Asked Questions

What is Minute of Angle (MOA) in shooting?

Minute of Angle (MOA) is a unit of angular measurement used in shooting to describe precision. One MOA at 100 yards equates to approximately one inch of impact shift, making it a standard for calibrating optics and evaluating rifle accuracy.

How does MOA relate to rifle accuracy at different distances?

MOA is directly proportional to distance. A rifle rated at 1 MOA will produce roughly 1-inch groups at 100 yards, 2-inch groups at 200 yards, and 3-inch groups at 300 yards. This principle applies to any MOA rating.

How do you adjust a scope using MOA?

Scope turrets are marked in MOA increments (e.g., 1/4 MOA, 1/2 MOA). To adjust, you calculate the required MOA correction based on your miss distance and range, then dial the corresponding number of clicks on your scope.

Is it important for a shooter to be skilled to achieve MOA accuracy?

Yes, shooter skill is paramount. Even a rifle capable of sub-MOA accuracy will not achieve tight groups if the shooter lacks fundamental marksmanship abilities, such as proper stance, trigger control, and sight alignment.

Related News

All News →

More Training & Techniques Videos You Might Like

More from AT3 Tactical

View all →