Great optic - Holosun EPS Enclosed Pistol Sight

I have a few of these EPS dots and I think they are very very good. Providing your mounting is compatible , I don’t think you can beat this. Particularly with a sale or coupon. Window feels bigger than 507C although I believe the measurements are the same. Low Deck height is great. Prefer the red over the green and the 6MO over the 2 MOA, but nice to have options. RMR adapter will not work if you were on the market has deserve style threaded post which is a bummer.