Primary Arms SLx MD-25 Review: Great Value, Okay Optic

Published on September 6, 2021
Duration: 6:10

This review of the Primary Arms SLx MD-25 focuses on its night vision performance and overall value. While the large window offers some advantages, the optic suffers from poor night vision settings and a bulky battery housing. The included mounts provide excellent value, making it a decent option for general use despite its shortcomings.

Quick Summary

The Primary Arms SLx MD-25 offers excellent value due to its included mounts and spacers, allowing for versatile configurations on various firearms. However, its night vision performance is mediocre, with dim NV settings and a bulky battery housing that can obstruct the target view.

Chapters

  1. 00:00Introduction & Brand Distinction
  2. 01:04Interest in MD-25 & Large Window Theory
  3. 01:32Comparison to Other Red Dots (NV)
  4. 01:56Initial Impressions & Night Vision Focus
  5. 02:25Optic Design & Battery Housing
  6. 03:30Brightness Settings & NV Modes
  7. 03:39Included Mounts & Value Proposition
  8. 04:22Light Transmission & NV Performance Issues
  9. 04:59Overall Night Vision Verdict
  10. 05:18General Purpose Use & Future Testing
  11. 05:25Final Thoughts on Necessity & Value

Frequently Asked Questions

What is the main advantage of the Primary Arms SLx MD-25?

The primary advantage of the Primary Arms SLx MD-25 is its excellent value, largely due to the extensive selection of included mounts and spacers. This allows users to achieve various optic heights and configurations without purchasing additional accessories, making it adaptable to many firearms.

How does the Primary Arms SLx MD-25 perform under night vision?

The Primary Arms SLx MD-25's night vision performance is considered mediocre. While the larger window offers some potential for better light transmission, the two dedicated night vision settings are too dim, and the lowest daylight setting is too bright, leading to a less than ideal experience.

What are the drawbacks of the Primary Arms SLx MD-25's design?

A significant drawback is the large battery housing that protrudes from the left side of the optic, which can obstruct the view of the target. Additionally, the brightness settings are not well-spaced, with NV modes being too dim and daylight modes being too bright.

Is the Primary Arms SLx MD-25 considered a good value?

Yes, despite its performance limitations, the MD-25 is considered a pretty good value because it comes with a wide array of mounts and spacers. This allows users to configure it for almost any firearm without buying extra parts, which is a major cost-saving benefit.

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