MOA vs Mil Scopes

Published on May 18, 2022
Duration: 18:40

This expert guide from Classic Firearms, featuring Clint and Matt, breaks down the fundamental differences between Minute of Angle (MOA) and Milliradian (Mil/MRAD) scope systems. It covers the basic math, system alignments (Imperial vs. Metric), and crucial distinctions like First Focal Plane (FFP) vs. Second Focal Plane (SFP) reticles. The instructors highlight that neither system is inherently superior, with MOA often favored for simpler mental math in the US, while Mils are base-10 friendly. They also touch upon specialized reticles like BDCs found on optics such as the Trijicon ACOG.

Quick Summary

MOA (Minute of Angle) scopes relate to approximately 1 inch per 100 yards, while Mil/MRAD scopes relate to about 3.6 inches per 100 yards. Both are angular measurements for scope adjustments. MOA often suits the Imperial system, while Mil suits the Metric system. First Focal Plane (FFP) reticles maintain accuracy across all magnifications, unlike Second Focal Plane (SFP) scopes.

Chapters

  1. 00:00Introduction to MOA vs Mil
  2. 01:21MOA Basics Explained
  3. 02:52Mil-dot and MRAD Explained
  4. 04:44The Math of Radians
  5. 07:02Metric vs. Imperial Systems
  6. 08:53Choosing a System
  7. 12:28First vs. Second Focal Plane
  8. 14:25ACOG and BDC Reticles

Frequently Asked Questions

What is the difference between MOA and Mil scopes?

MOA (Minute of Angle) is roughly 1 inch per 100 yards, while Mil/MRAD is about 3.6 inches per 100 yards. Both are angular measurements used for scope adjustments, with MOA often aligning better with the Imperial system and Mil with the Metric system.

Is MOA or Mil more precise for rifle scopes?

Neither MOA nor Mil is inherently more precise. The precision depends on the scope's construction and the shooter's ability to use the chosen system effectively. MOA is often favored for simpler mental math in yards, while Mil is base-10 friendly.

What is the advantage of a First Focal Plane (FFP) scope?

FFP scopes have reticles that scale with magnification. This means the subtensions (MOA or Mil markings) remain accurate at any power setting, making them ideal for range estimation and holdovers across the scope's entire magnification range.

How do Trijicon ACOG scopes differ from MOA/Mil scopes?

Trijicon ACOG scopes often feature Bullet Drop Compensator (BDC) reticles instead of traditional MOA or Mil grids. These BDCs are specifically calibrated for certain calibers and bullet trajectories, simplifying aiming for known distances.

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