Red Dot Magnifiers - The Basics, Types, Functions, Options & When to Go Magnifiers vs. LPVOs?

Published on November 3, 2023
Duration: 8:31

This guide, presented by Randy from AT3 Tactical, covers the basics of red dot magnifiers, their compatibility with non-magnified optics, and when to use them. It details components, types, and crucial considerations like co-witnessing and eye relief. The video emphasizes proper mounting and zeroing procedures, differentiating magnifier adjustments from red dot zeroing, and compares magnifiers to LPVOs for various engagement distances and shooting scenarios.

Quick Summary

Red dot magnifiers offer versatility for AR-15 platforms, enabling quick transitions between unmagnified close-range views and magnified views (3x-6x) for targets up to 300 yards. They are lighter than LPVOs, save rail space, and provide a backup red dot. Proper mounting positions the magnifier's rear lens above the charging handle for consistent eye relief, and its adjustment knobs align the red dot reticle, not zero the optic.

Chapters

  1. 00:00Introduction to Red Dot Magnifiers
  2. 00:32Magnifier Components & Functionality
  3. 01:12When to Use a Magnifier
  4. 01:50Magnifier vs. LPVO Comparison
  5. 03:06Magnifier Types & Preferences
  6. 04:11Magnifier Considerations: Co-Witness & Diopter
  7. 05:40Optimal Magnifier Mounting
  8. 06:12Potential Magnifier Issues & Solutions
  9. 07:29Magnifier Zeroing & Alignment
  10. 07:52Alternative Magnified Optics

Frequently Asked Questions

What is the primary benefit of using a red dot magnifier with a non-magnified optic?

The primary benefit is versatility. A red dot magnifier allows you to quickly switch between a standard unmagnified red dot sight for close-quarters engagements and a magnified view (typically 3x, 4x, or 6x) for identifying and engaging targets at medium distances, up to around 300 yards.

How do red dot magnifiers compare to LPVOs for AR-15 platforms?

Magnifier setups are generally lighter, offer more rail space, and can serve as a backup red dot if the magnifier fails. LPVOs provide variable magnification across a wider range but are heavier and can be more challenging in tight shooting positions due to parallax.

What is the correct procedure for zeroing a red dot magnifier?

First, zero your red dot sight independently. Then, use the windage and elevation adjustment knobs on the magnifier mount itself to center the red dot reticle within the magnified view. These knobs are for alignment, not for adjusting the point of impact.

Where is the best place to mount a red dot magnifier on an AR-15?

For consistent eye relief and a repeatable sight picture, the magnifier should be mounted on the Picatinny rail so that its rear lens is positioned directly above the rifle's charging handle. Red dots are typically mounted further forward.

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