No go and non starter!! - Black Spider Optics M0129 Micro Red Dot Sight, 3 MOA

I give it one star for design intent. I ordered one. It was intermittent and red dot went off at impulse of dry firing the rifle and again when charging rifle. It was just also random. I returned it via Optics planet nice return system. I got a second one. Same thing... randomly goes on and off, red dot goes out from dry firing and charging and in general, very random. It is sad. I really wanted to like this and it has some good reviews. I am sure these two were lemons, but at this point I have no confidence in this unit. Going to spend a little more and go with the Mepro RDS tru dot which I know works well.