The Overnight #11: Turning Back the Clock.

Looking at AR retro builds and probably some pistol brace talk.

Link to comment on ATF proposed receiver definition change - https://www.regulations.gov/commenton/ATF-2021-0001-0001

Link to the ATF pistol brace criteria - https://www.atf.gov/file/154876/download
Link to the 2020 ATF proposed brace criteria (withdrawn) - https://www.federalregister.gov/documents/2020/12/18/2020-27857/objective-factors-for-classifying-weapons-with-stabilizing-braces