Cyelee Optics CAT EDG Enclosed Emitter Red Dot and the GT10 Green Dot with co-witness riser

In this review, I run two Cyelee Optics head-to-head—the CAT EDG enclosed emitter pistol red dot and the GT10 green dot with co-witness riser. The CAT EDG rides on my Shadow Systems CR920XL for EDC testing, while the GT10 runs on my Extar EP-9 for PCC drills.
Both were pushed in real-world range conditions to test durability, clarity, and zero retention. The CAT EDG’s sealed emitter design keeps your dot clear in rain, dust, and sweat—perfect for concealed carry. The GT10 delivers a bright green dot, lower-1/3 co-witness, and versatility for PCCs, shotguns, or braced pistols. I’ll cover build quality, features, battery life, and performance so you know exactly what you’re getting.
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