According to sources, the US Postal Service has stated that they are no longer going to permit the shipping of suppressors through the US mails. If true, this would be an unlawful prohibition as Mark Smith, Four Boxes Diner, explains here [Watch]
How have they stated it? Did an FFL get a letter? An email? A phone call? From whom?
He must really trust his source. That they’re so reluctant to come forward and provide proof gives me pause.
