Meprolight M21 Reflex Sight on AKM (AK47)

Published on May 27, 2014
Duration: 3:35

This review of the Meprolight M21 reflex sight on an AKM highlights its unique battery-free operation, powered by ambient light. While praised for its robust construction, effective quick-detach mount, and easy adjustments, the sight exhibits reticle washout in bright conditions when transitioning from dark environments. The reviewer suggests a workaround using a small light source to augment ambient light capture for improved low-light performance.

Quick Summary

The Meprolight M21 reflex sight is a battery-free optic for firearms, powered by ambient light and tritium. It offers robust construction and easy adjustments but can suffer from reticle washout in bright conditions. A workaround involves using a small light source to augment its illumination.

Chapters

  1. 00:00Intro & Gunshots
  2. 00:10Introducing the Meprolight M21
  3. 00:13Battery-Free Operation Explained
  4. 00:38Build Quality & Mount
  5. 00:55Windage & Elevation Adjustments
  6. 01:13Weight Consideration
  7. 01:24Low Light Performance
  8. 01:32Reticle Washout Issue
  9. 01:49Workaround for Washout
  10. 02:04Comparison to Other Optics
  11. 02:14Price & Battery-Free Advantage
  12. 02:18Overall Impression
  13. 02:32Outro

Frequently Asked Questions

How does the Meprolight M21 reflex sight power its reticle?

The Meprolight M21 is a unique reflex sight that does not use batteries. Instead, it captures ambient light through fiber optics and a tritium element to illuminate its reticle, making it self-powered.

What are the main advantages of the Meprolight M21 optic?

Key advantages include its battery-free operation, eliminating the need for power sources and maintenance. It also features a robust build, a reliable quick-detach mount that holds zero well, and easy windage/elevation adjustments.

Does the Meprolight M21 have any drawbacks?

Yes, a significant drawback is reticle washout. This occurs when transitioning from dark to bright environments or aiming at a bright target from darkness, making the reticle difficult to see.

How can reticle washout be mitigated on the Meprolight M21?

A suggested workaround for reticle washout is to attach a small, thin light source to the sight's ambient light capture area. This can help boost the reticle's visibility in challenging lighting conditions.

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