Saying Goodbye to 80% Lowers, Nationwide
This guide explains the significant changes brought about by the ATF's new federal rule (27 CFR 478.11) impacting firearm definitions, particularly concerning 80% lowers and unserialized firearm parts. Expert analysis from William Kirk of Washington Gun Law highlights the broadened scope of 'frame or receiver,' the end of readily convertible parts, and the new FFL transfer requirements for previously unregulated components. The rule, effective August 10, 2022, necessitates serialization and background checks for many parts, fundamentally altering the landscape for firearm manufacturers and consumers.













