WHAT DOES FRT FOR SALE MEAN?

I've tried out quite a few distinct forced reset triggers, starting off with rare breeds unique. In the event the ATF started off knocking on doors however, I disassembled it, grinded it up and tossed it during the trash as I failed to need any drama from a legally acquired trigger. Anyhow, these triggers are great. The FRT-L3 is the best I've util