WHAT DOES FRT FOR SALE MEAN?

I've tried using quite a few different forced reset triggers, setting up with rare breeds initial. Once the ATF begun knocking on doors even though, I disassembled it, grinded it up and tossed it in the trash as I didn't require any drama from a lawfully acquired trigger. Anyhow, these triggers are magnificent. The FRT-L3 is the greatest I have uti