The HWS EXPS2 maximizes rail space with its compact size and allows for co-witnessing of iron sights. It has convenient side buttons to add a magnifier and features an adjustable, locking, quick-detach lever for easy attachment and removal. EOTECH's unique reticle patterns are critical for delivering fast target acquisition and MOA accuracy at any range. EOTECH reticles feature a 68 MOA ring surrounding a 1 MOA center dot, allowing the shooter to quickly pick up and lock onto a target.Features :Water Resistant to 10 Feet (3 Meters)20 Daylight Brightness Settings0.5 MOA AdjustmentsQuick-Detach Mounting Hardware