two MOA only : This dot is fairly little that makes it exact. The draw back is it might be not easy to “pick up” on drawing the weapon. If you are seasoned taking pictures crimson dot sights on pistols then this will not be a concern for you. https://paxtonslylx.eqnextwiki.com/4811141/the_single_best_strategy_to_use_for_fn510_accessories