I just purchased an Eotech OPMOD EXPS 2. Does anyone know what the "ideal" range is to sight it in? I've heard 25 yds and with that I won't have any issues shooting out to 200-300 yds, etc. The average distance I will be shooting the majority of the time will be around 100yds and less but with an occasional 200-300 yard target at most. Any help will be greatly appreciated!