On phone so not linking. Military Arms Channel shared a document on their social media
Edit: MAC posted a video on YouTube about it - says letter will be released in 12 - 48 hours. It purposely contains the vaguest guidance that puts the burden on knowing if a weapon is an SBR on the firearm, despite there being zero concrete rules issued to the public or the firearms industry
imagine not shrieking like an enraged fruit bat while emptying mag after mag in a one-man replay of Waco