No, suppressors are not legal in all states. As of now, they are legal in 42 states for civilian ownership, but each state has specific regulations regarding purchase and use. States that allow civilian Suppressors
AL, AK, AZ, AR, CO, CT, FL, GA, ID, IN, IA, KS, KY, LA, ME, MD, MI, MN, MS, MO, MT, NE, NV, NH, NM, NC, ND, OH, OK, OR, PA, SC, SD, TN, TX, UT, VT, VA, WA, WV, WI, WY. Note: Even if you live in one of the states listed, you should still verify that owning a suppressor is legal in your area.

While you don’t need a specific “license” to purchase a suppressor, you must go through a federal registration process with the Bureau of Alcohol, Tobacco, Firearms, and Explosives (ATF), which includes submitting paperwork, fingerprints, and paying a tax.
Helpful links:
ATF Form
E Form Login
ATF Processing Time

The process involves choosing a suppressor, submitting an application to the ATF along with fingerprints and photos, paying a $200 federal tax, and waiting for approval. The ATF background check and approval can take several months. WE can help you with this. Please follow this guide
Click Here For Guide

Here is the link for current processing times from ATF
ATF Processing Time

Yes, you are required to pay a one-time $200 tax stamp for each suppressor you purchase. This is part of the ATF’s registration process.

If traveling across state lines, make sure the suppressor is legal in the destination state. You don’t need an additional permit to travel within states where suppressors are legal, but it’s essential to follow federal and state laws.