The Primary Arms GLx MD-21S Autolive is a 21mm micro red dot optic with a 2 MOA dot and solar failsafe system, engineered for rapid target acquisition and extended runtime.
The GLx MD-21S is a compact micro red dot optic designed for agility and precision from close-quarters to intermediate-range use. It features a 21mm objective and a 2 MOA red dot for fine aiming. An advanced solar failsafe system supplements the battery to extend runtime and reliability. This configuration suits everyday carry setups and competition or range training.
Product Specifications
The product model is GLx MD-21S.
The manufacturer is Primary Arms.
The product type is Red Dot.
The subcategory is Red Dot Sights & Non-Magnified Optics.
The reticle type is a Red Dot.
The optical power is 1X.
The objective diameter is 21mm.
The dot size is 2 MOA.
The finish color is Black.
Key feature includes an advanced solar failsafe system to supplement the power supply.
The description summary is high-performance micro dot optic for close-quarters to intermediate range.
The UPC is 818500018278.
Built for shooters who prioritize compact size, fast target acquisition, and dependable runtime, the GLx MD-21S delivers a clear sight picture and a precise 2 MOA aiming point. Its 1X optical power preserves natural sight alignment while supporting rapid transitions and controlled aiming at practical distances, making it suitable for daily carry setups and competition or range-focused applications.
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