[Blood of Tyrants]

The most common home made guns are AR-15 lowers from 80% lowers and 80% Glock copies. The AFT decided unilaterally that an 80% lower was a “firearm” when a firearm is defined by the law and cannot be changed by a rule.

[marktwain]

The "Final Rule" is in the courts at the moment.

There have been decisions for and against.