I have used this a couple of times but in all honestly it's a serious bit of kit and my usage makes it a waste of money for me. I added a red dot as shown to use with a full 90deg cant as I had a few pests that kept appearing too close for the Hawke scope. It holds its charge perfectly and is totally unfettled
Hawke Vantage IR 3-9x40 Mil Dot Centre
Vector optics frenzy red dot