2 MOA only : This dot is very small that makes it precise. The downside is the fact that it might be challenging to “get” on drawing the weapon. Should you be knowledgeable taking pictures red dot sights on pistols then this will not be a difficulty for you. https://fn510-accessories86306.salesmanwiki.com/9530095/helping_the_others_realize_the_advantages_of_fn510_accessories