January 13, 2020
In AR-15s and similar guns the piece, known as the frame or receiver, that federal regulation says is considered a firearm by itself is split into upper and lower pieces.
Stories this photo appears in:
A subtle design feature of the AR-15 rifle has raised a technical legal question that is derailing cases against people who are charged with illegally buying and selling the gun's parts or building the weapon.
By JAKE BLEIBERG and STEFANIE DAZIO AP
January 13, 2020
