The concept is great, they did their research and found a legal way to have a suppressed (non) firearm .
How ever the hearing protection bill is moving forward, many thinking it will pass.https://www.nraila.org/articles/20170913/nra-backed-share-act-passes-committee
Passage of the bill would eliminate this guns greatest advantage, no $200 to the feds, and long wait time for background checks.
But it can still be mail ordered with no paperwork.
I would wait an see. A removable suppressor would be better for cleaning and loading