Yeah, it's my first red dot. It works fine.... But.... Angle of light front or rear tends to make the killiflash too visible. Right light from rear gives red light smear whether it's on or not. Found it interesting that the killiflash wasn't tightened down and that it had loosened significantly in just the 5 or 600 rounds I had put through it. Disappointed in extreme low light sight picture (as compared to some other optics I have). In the end, it'll do for this E. Fudd....