Primary Arms GLX MD-21S 21mm Microdot Sight
Compact 21mm microdot red dot sight with push-button controls. Designed for rifles and carbines requiring a minimal-footprint optic with fast target acquisition.
Primary Arms GLX MD-21S Microdot Red Dot Sight
The GLX MD-21S represents a modern approach to compact optics for the working rifle. This 21mm microdot sight delivers the speed and simplicity that define effective shooting systems.
Key Features
- 21mm Objective Lens: Provides a compact sight picture while maintaining adequate light transmission for rapid target acquisition
- Push-Button Controls: Intuitive brightness adjustment for quick adaptation to changing light conditions
- Microdot Design: Minimal profile reduces overall height and weight on your rifle
- Fast Sight Picture: Ideal for close to intermediate range shooting where speed matters
Practical Application
This sight excels on modern carbines, tactical rifles, and defensive firearms where quick target engagement is paramount. The compact form factor makes it an excellent choice for shooters who value maneuverability and sight-line efficiency.
Built for the Field
Primary Arms engineered this optic for real-world use. Whether you're training, competing, or relying on your rifle for serious purposes, the GLX MD-21S delivers the performance characteristics that experienced shooters demand: speed, reliability, and no unnecessary complexity.
