Extremely rugged. I have taken several direct hits to the scope and its fine.
Green dot is impossible to see Red dot isn't much better.
I was excited about this scope when I got it. Put it on my gun and it was amazing in my living room. I couldn't wait to get it outside and try it. Finally got to play with it, and it works pretty good on cloudy days and at night. But on a bright Texas summer day, you are S.O.L. You can spot stuff with the red dot on the highest setting. But it doesn't pop out at you like I had expected. Maybe I played to much Call of Duty and had to high of expectations. But I don't think so. I have taken a few hits in the front of the scope and with the exception of the bolts coming loose after awhile I have had no adverse affects.
Its a cool concept. But I would go with an actual scope if I were to do it over again.