UTG's Circle Dot Sight with a dual Red/Green 4 MOA target dot with 62 MOA circle features 5 brightness settings for diverse environmental backgrounds. Features instant aiming and Locking on Target, wide field of view, unlimited eye relief and non-reflective Emerald coating. Includes integral QD mounting deck and flip-open lens caps. *Optional: Use 1/2" riser to achieve Co-witnessing with Iron Sights on AR models (UTG 1/2" Risers Sold Separately).