Silencer Firearms Wikipedia

National Firearms Act - Wikipedia.

The National Firearms Act (NFA), 73rd Congress, Sess. 2, ch. 757, 48 Stat. 1236 was enacted on June 26, 1934, and currently codified and amended as I.R.C. ch. 53.The law is an Act of Congress in the United States that, in general, imposes an excise tax on the manufacture and transfer of certain firearms and mandates the registration of those firearms. . The NFA is also referred to ....

https://en.wikipedia.org/wiki/National_Firearms_Act.

Title II weapons - Wikipedia.

Title II weapons, or NFA firearms, are designations of certain weapons under the United States National Firearms Act (NFA). ... Silencer. The legal term silencer, also known as a "suppressor", is defined as "any device for silencing, muffling, or diminishing the report of a portable firearm, including any combination of parts ... intended for ....

https://en.wikipedia.org/wiki/Title_II_weapons.