Micro Dot Sight Built on True Strength Platform, Shockproof, Fogproof and Rainproof. Versatile Super-compact Body – a Mere 2.6″ in Length. Clear and Sharp Target Dot 4.0 MOA at 100Yds. Instant Target Aiming (ITA) and Instant Lock On Target to Enhance Shooting Accuracy and Performance. Red or Green Dot Illumination with Intensity Adjustment to Adapt to Any Environment. Great Field of View and Unlimited Eye Relief for a Wide Variety of Pistol, Shotgun and Rifle Applications. Perfect Co-witness with A2 Standard Iron Sights Using a 1/2″ Riser or 1/3 Co-witness with a 3/5″ Riser. Integral Mounting Base with Innovative Quick Detach Lever Lock for Rapid Deployment on Any Picatinny Rail