WHAT DOES FRT FOR SALE MEAN?

I've attempted quite a few diverse forced reset triggers, setting up with rare breeds original. When the ATF started out knocking on doors even though, I disassembled it, grinded it up and tossed it while in the trash as I did not will need any drama from the legally bought trigger. Anyhow, these triggers are amazing. The FRT-L3 is the best I have