I've study to be a negative nevertheless, the finish is not perfect for a $400 trigger and I think it depending on photographs. Then also some do complain they do not work proper - suspect it really is linked to non spec bolt carriers (a great deal of AR's in https://rare-breed-trigger-frt-1567643.thechapblog.com/33819165/rare-breed-triggers-frt-for-sale-for-dummies