How the NFA Application Process Works: Step-by-Step Guide

Buying a suppressor, short-barreled rifle (SBR), or other NFA-regulated item is different from buying a normal firearm. The process involves federal paperwork, a tax stamp, and a waiting period – but it’s much simpler than most people think.

At A-Zone Armory, we handle this process for our customers every day. This guide explains exactly how the NFA application process works, what you’ll need, and what to expect from start to finish.

What Is the NFA?

The National Firearms Act (NFA) is a federal law that regulates certain types of firearms and accessories, including:

  • Suppressors (silencers)

  • Short-Barreled Rifles (SBRs)

  • Short-Barreled Shotguns (SBSs)

  • Machine guns

  • Destructive devices

  • Any Other Weapons (AOWs)

To legally own one of these items, you must receive approval from the ATF and pay a $200 tax stamp for machineguns (some AOWs are $5).

The Good News

NFA items are legal to own in Florida and most states. The process is paperwork and waiting – not a special license.

You do not need:

  • A special permit

  • A gun license

  • To be law enforcement or military

You just need to pass a background check and follow the process.

Step-by-Step: How the NFA Process Works


Step 1: Choose Your NFA Item

First, pick the item you want:

At A-Zone Armory, we’ll help you:

  • Make sure it’s legal in your state

  • Confirm it fits your firearm and needs

  • Choose the right mounting options if needed

See our guide on How to Choose the Right Suppressor for Assistance Here


Step 2: Decide How You’re Registering (Individual vs Trust)

You can file your NFA application as:

✅ Individual

  • Simple

  • No trust required

  • Only you can possess the item

✅ Gun Trust

  • Multiple responsible persons can use the item

  • Easier estate planning

  • Slightly more paperwork

We can explain both and help you decide what’s best for your situation.


Step 3: Complete Your ATF Application (Form 4 or Form 1)

Most customers will use:

  • ATF Form 4 – When buying a suppressor or NFA item from A-Zone Armory

  • ATF Form 1 – When you are making your own SBR or suppressor

We handle:

  • The forms

  • The serial numbers

  • The submission process

  • Making sure everything is filled out correctly


Step 4: Fingerprints, Photo, and Paperwork

You’ll need:

  • Passport-style photo

  • Fingerprints

  • Basic personal information

We help collect and submit all of this.


Step 5: Pay the Tax Stamp If Applicable

  • $200 tax stamp for machineguns. SBRs, Suppressors, and SBSs no longer require a tax stamp payment

  • Paid to the ATF during submission

This is a federal tax, not a store fee.


Step 6: ATF Review & Waiting Period

Once submitted:

  • The ATF reviews your application

  • They run a background check

  • They approve or deny the transfer

Typical Wait Times:

  • eForms: Varies, in many cases approved in a week, but could be much longer

  • Paper forms: Longer, possibly greater than six months

We monitor your application and notify you when it’s approved.


Step 7: Approval & Pickup

When your Form 4 is approved:

  • The ATF sends the approval to us

  • You come in

  • You fill out a standard 4473

  • You take your NFA item home 🎉

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