WHAT DOES RARE BREED TRIGGER UPGRADE MEAN?

I used to be in a gun show a number of months back and there was a random table with 3 new in the bundle FRT's with nothing else around the table. All I could Believe was "that is bait"Prolonged story limited, Regardless that court circumstances appear to be slipping to the facet of acceptance for FRT, I can't help but have very similar views in re