I've examine as a unfavorable however, the finish is not great for a $four hundred trigger and I think it determined by pics. Then also some do complain they don't work proper - suspect it really is relevant to non spec bolt carriers (a great deal of AR's in existence https://rare-breed-trigger-frt-1534567.blogs-service.com/65572517/what-does-rare-breed-trigger-frt-15-mean