407-K vs NEW Osight-K video out now!

Published on October 8, 2025
Duration: 0:36

This video compares the Olight Osight-K and Holosun 407-K red dot sights through extreme durability testing. Both optics were subjected to multiple shoulder-height drops onto concrete, sliding across hard surfaces, and being thrown downrange. The live fire results after these stress tests were described as 'definitely unexpected,' suggesting significant resilience or surprising failures.

Quick Summary

The Holosun 407-K and Olight Osight-K were put through extreme durability tests, including multiple drops onto concrete, sliding across surfaces, and being thrown downrange. Live fire results after this abuse were described as 'definitely unexpected'.

Chapters

  1. 00:00Introduction: 407-K vs Osight-K
  2. 00:06Durability: Drop Tests
  3. 00:20Extreme Stress Test: Sliding & Throws
  4. 00:31Live Fire Results: Unexpected Outcome

Frequently Asked Questions

What kind of durability tests were performed on the Holosun 407-K and Olight Osight-K?

Both red dot sights were subjected to multiple shoulder-height drops onto concrete, sliding across hard surfaces, and being thrown downrange. This extreme testing aimed to assess their ruggedness and ability to maintain zero.

Were the Holosun 407-K and Olight Osight-K tested after the abuse?

Yes, after the rigorous drop, slide, and throw tests, both optics were tested through live fire. The results of this post-abuse shooting were described as 'definitely unexpected' by the reviewer.

What are the key specifications for the Holosun 407-K and Olight Osight-K?

The Holosun 407-K features a K-series footprint and typically a 6 MOA dot. The Olight Osight-K also uses a K-series / RMSc footprint, indicating compatibility with similar pistol slides.

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