The Supreme Court upheld a key Biden-era regulation that treats “readily convertible” gun kits as firearms under federal law, commonly called "ghost guns." ...

The court said that ghost guns, which are virtually untraceable weapons that require assembly, are considered "firearms" and ...

The administration had tightened regulations on kits that can be easily assembled into nearly untraceable firearms.

Since the rule was finalized in 2022, ghost gun numbers have flattened out or declined in several major cities, including New ...

A rule regulating the firearm kits was a centerpiece of President Joseph R. Biden Jr.’s gun control initiative. The Supreme ...