I've go through as a adverse though, the finish is just not great for a $400 trigger and I think it according to pics. Then also some do complain they do not work correct - suspect it can be linked to non spec bolt carriers (lots of AR's in existence https://rarebreedtriggersupdate35567.dailyblogzz.com/35299781/rare-breed-trigger-website-can-be-fun-for-anyone