If the bill survives in the Senate and the provision isn't removed through reconciliation between the versions passed by each chamber, firearm suppressors, commonly referred to as "silencers," would be deregulated, and the $200 federal excise tax would be scrapped.

Removing suppressors from the requirements under the National Firearms Act would be a significant win for gun rights and hearing protection advocates.

Second Amendment advocates argue that suppressors are designed to protect hearing, not silence gunshots.