Ncstar had some issues. - NcStar 35mm Tri-Color Dot Tube Reflex Optic

I have owned a fee truck color optics that have worked fine over the years. This is the first one that I have run into quality issues with. The dot size and brightness are really good and it looks stellar. However after only turning it on about 10 times and maybe running 150 rounds through my .556 AR the knob to turn it on and off has fallen off and I am now going to be sending it back. Unfortunately my 3-gun competition is today so I will be rubber banding it together to try and make it through today.