I have study like a unfavorable while, the finish is just not great for a $400 trigger and I feel it according to photographs. Then also some do complain they don't work appropriate - suspect it is connected with non spec bolt carriers (lots of AR's on the market feature https://rare-breed-triggers-websi91345.blogscribble.com/34812841/an-unbiased-view-of-rare-breed-trigger-frt