Primary Arms Red Dots Worth the $$$?

Published on December 22, 2025
Duration: 0:52

This guide details how to customize the reticle on the Primary Arms GLx MD-21S red dot sight. Elliott Delp, demonstrating high expertise with Primary Arms optics, explains the modularity of the ACSS CQB reticle. Users can select specific reticle elements like the chevron, BDC, or horseshoe to suit their shooting preferences and scenarios.

Quick Summary

The Primary Arms GLx MD-21S red dot sight features the versatile ACSS CQB reticle with modular components. Users can select specific elements like the chevron, horseshoe, and BDC, or combinations thereof, to adapt the sight for various shooting scenarios and personal preferences, enhancing adaptability and aiming precision.

Chapters

  1. 00:00Introduction to Primary Arms GLx MD-21S
  2. 00:21ACSS CQB Reticle Features
  3. 00:34Reticle Modularity and Customization

Frequently Asked Questions

What are the key features of the Primary Arms GLx MD-21S red dot sight?

The Primary Arms GLx MD-21S features the ACSS CQB reticle, known for its versatility. It offers modularity, allowing users to select specific reticle components like the chevron, horseshoe, and BDC, adapting to different shooting needs and preferences.

How does the ACSS CQB reticle on the GLx MD-21S enhance shooting?

The ACSS CQB reticle provides multiple aiming points and compensation features. Its modularity allows shooters to choose between a simple 2 MOA dot, a chevron, a horseshoe, or a combination, making it adaptable for close-quarters and longer-range engagements.

What does 'ACSS CQB 2 MOA DOT' mean for the reticle?

'ACSS CQB' refers to the Advanced Combat Sight System's Close Quarters Battle reticle pattern. '2 MOA DOT' indicates the central aiming point is a 2-minute of angle dot, which is a common size for red dot sights, offering a balance between speed and precision.

Can the reticle on the Primary Arms GLx MD-21S be customized?

Yes, the Primary Arms GLx MD-21S offers significant reticle customization. Users can choose to display only the chevron, only the BDC, the chevron with the horseshoe, or all reticle elements together, tailoring the sight to their specific requirements.

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