Experience superior agility and precision with the Primary Arms GLx MD-21S Red Dot Sight. Designed for both close-quarters and intermediate-range shooting, this high-performance micro dot optic features a powerful 1X magnification and an advanced ACSS CQB reticle for quick target acquisition. The innovative solar failsafe system ensures your optic maintains maximum runtime, providing reliability in diverse lighting conditions. Elevate your shooting accuracy and enjoy the durability of this sleek black optic, perfect for any tactical setup.
Primary Arms GLx MD-21S Red Dot Sight with ACSS CQB Reticle
$229.99
16 in stock
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Engineered for Extremes
The Vault — Where Education Fuels Better Decisions
The Vault is the engine behind Pyrost. It’s where we publish deep-dive articles, field-tested reviews, instructional videos, advocacy content, and wild-game recipes — all designed to help you learn, verify, and apply what actually works.
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