Inhibitors
Regardless of whether you refer to it as an "inhibitor", a "suppressor", or a "silencer", the attachment is worthy of being a 'top of the list' accessory for any shooter who wants to protect their hearing.
No, they don't silence all of the noise, but they reduce the noise to a level that is less likely to do permanent damage to a nearby person's hearing.
We don't have to pay a special tax to put a "muffler" on our trucks and automobiles, neither should we have to pay a special tax, accompanied by transfer fee and extra paperwork, to inhibit or muffle the noise made by our firearms.
In spite of the intrusive legal hassle, the inhibitor industry is alive and well—and growing.
Here is a recent comparison of a few 7.62mm Direct Thread Suppressors.
The following videos illustrate the added burden, including the expense and time, that the "NFA" law now requires when buying one of these attachments.
Part One:
Part Two:
Patience required!
/fl