Osight K Review & Shoot RMSC 6 MOA Pistol Red Dot Sight

Published on September 16, 2025
Duration: 13:23

This review covers the O-Sight K, an RMSC footprint red dot sight with a 6 MOA dot, ideal for compact and subcompact pistols. The video demonstrates its installation, zeroing process on a Shield Plus in 30 Super Carry, and performance on steel targets. Key features highlighted include a side battery tray, shake-awake functionality, and built-in co-witness sights, with positive remarks on its daytime brightness and crisp dot clarity, even for those with astigmatism.

Quick Summary

The O-Sight K is an RMSC footprint red dot sight with a 6 MOA dot, ideal for compact pistols. It features a convenient side battery tray, shake-awake functionality, and built-in co-witness sights. The 6 MOA dot is often beneficial for shooters with astigmatism, appearing clearer and less fuzzy than smaller MOA options.

Frequently Asked Questions

What is the O-Sight K red dot sight's footprint and dot size?

The O-Sight K features an RMSC footprint, making it suitable for many compact and subcompact pistols. It comes with a 6 MOA (Minute of Angle) red dot, which is often preferred for its visibility and clarity, especially for shooters with astigmatism.

What are the key features of the O-Sight K red dot sight?

Key features include a side-mounted battery tray for easy replacement without dismounting, shake-awake technology for automatic power on/off, built-in iron sights for co-witnessing, and excellent daytime brightness with night vision compatibility.

How do you zero the O-Sight K red dot sight?

Zeroing involves mounting the sight, firing a group at a target, and then adjusting the windage and elevation turrets based on the point of impact. The sight provides audible clicks for precise adjustments, and dry thread locker is included to ensure secure mounting.

Is the 6 MOA dot on the O-Sight K good for astigmatism?

Yes, the 6 MOA dot is generally considered better for astigmatism. It illuminates a larger area, which can make the dot appear rounder and less fuzzy or starburst-like compared to smaller MOA dots that concentrate light more intensely.

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