UTG 3.8" ITA Red/Green Circle Dot Sight w/Integral QD Mount, Black - SCP-RG40CDQ. Detail Information:- Crisp and Vivid Red/Green 4MOA Target Dot and 62MOA Circle with 5 Brightness Settings for Diverse Environmental Background- Instant Aiming and Locking on Target with Great Field of View and Unlimited Eye Relief- Non-Reflection High Tech Emerald Coatings- Optional: Use «" Riser to Achieve Co-witnessing with Iron Sights on AR Models (UTG «" Risers Sold Separately)- Includes Integral Quick Detach Mounting Deck and Flip-open Lens Cap- Most Versatile Dot Sight for Wide Range of Pistols, Shotguns & Rifles