The small form factor of this red dot ensures that you don't add too much weight to your rifle. QD system for fast installation and removal in case you need it. The dot is also very bright even in direct sunlight.
Unlike some other similar Red Dots, this one uses bigger CR2032 batteries instead of CR1632. Therefore, you won't have to change the batteries as often.
We've been using this red dot for years and there is not much more to say about it. It's great, it works when you need it and it's worth it. You won't be disappointed.