two MOA only : This dot is kind of small that makes it specific. The downside is it can be hard to “get” on drawing the weapon. If you're seasoned capturing crimson dot sights on pistols then this may not be a difficulty for you. The BlackPoint Outback™ Chest https://www.primmaryarmshop.com/product-tag/fn-510-accessories/?per_page=9&layout=list