HOW DOES RARE BREED TRIGGER WORK NO FURTHER A MYSTERY

I've study to be a adverse though, the finish is not great for a $four hundred trigger and I feel it depending on photos. Then also some do complain they do not work correct - suspect it can be linked to non spec bolt carriers (many AR's around have variations, Rugers by way of example).He has all the time on the globe to take a look at it, but the