Utg red micro dot 4.0 moa 2.6" 30mm w/integral qd mount FEATURES-Built on true strength platform, completely sealed-Shockproof, Fogproof & Rainproof-Length: 2.6"-Clear & sharp target dot 4.0 MOA at 100 yards-Instant Target Aiming & Instant Lock On Target to enhance shooting accuracy & performance-Red or green dot illumination with intensity adjustment-Unlimited eye relief-Integral Mounting Base with innovative quick detach lever lock for rapid deployment on any picatinny rail Other Features: Red or green dot, designed to co-witness iron sights, picatinny qd mount, variable brightness 30mm tube diameter, use with mf3weqs magnifier perfect height match.