Reply To: Can you legally build a silencer for your air rifle?

Forums General Discussion Can you legally build a silencer for your air rifle? Reply To: Can you legally build a silencer for your air rifle?

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I_Like_Irons
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It is not a license that you need to build one for a firearm, it is an approved Form 1 with returned $200 tax stamp.   You file the Form 1 (you can do this electronically) send in your fingerprints (I’m not sure if you have to get your Chief Law Enforcement Officer to sign off on it still, or not—that part is changing), pay the tax, and wait. 

One of the problems with building one for an airgun, is that it must be of a design that cannot be put onto a firearm.  Any screw threads that allow attachment to a barrel, is construed to be an NFA controlled firearm.  See here for the ATF’s opinion on the matter:  https://www.atf.gov/firearms/qa/are-paintball-andor-airgun-sound-suppressers-nfa-firearms

ETA:  You can always ask to make sure your design is O.K. or not.  Here is the link on who to contact at the ATF:  https://www.atf.gov/firearms/qa/if-i-have-any-further-questions-classification-paintball-or-airgun-silencer-who-should-i

This is one very dark grey area that I personally don’t want to venture into without filing the Form 1 and paying the $200 tax.  Going this route ensures that it cannot come back to bite you.