Build ar15 pistol from stripped lower

Renegade

SuperOwner
Mar 5, 2008
8,266
113
Texas
Having never looked into it before. I was curious what the laws were regarding an 80% lower that AFAIK doesn't have a SN and no-one but the owner knows if it's going to be a pistol, SBR, or a rifle. I guess the next question is what are the laws regarding a non-serialized rifle, pistol, whatever. I know I have an old 22 with no SN but it's exempted. Do you have to put a SN on it? If so who do you HAVE to tell? If anyone.
Whether you buy existing or make from 80%, the laws are the same. An SBR requires name/city/st & SN for example. A regular rifle does not.

If you SBR your 22, you would have to add a SN along with your info. You tell ATF this when you register it on form 1.
 

Sam7sf

TGT Addict
Apr 13, 2018
3,596
113
Palmer.
Thank you renegade for helping me get pointed in the right direction and researching clarification on how a stripped lower changes or doesn’t change based on assembly/other factors.
 

gshayd

Ugliest house on the block.
Nov 25, 2018
1,308
113
Beaumont, Texas
If a gun store here asked me what I was going to build with a stripped lower receiver my reply would be I use them as doorstops. The 4473 is a federal form and still has other on it. A stripped lower is not a firearm. If it is not a firearm it has to be other on the 4473.
 

gshayd

Ugliest house on the block.
Nov 25, 2018
1,308
113
Beaumont, Texas
As long as it is yours and you don't build an SBR or an NFA firearm with it as far as I know no serial number is required you can build a firearm for personal use. If you decide to sell it then you will have to put a serial number on it. If it has not been milled out or drilled out is the equivalent of a doorstop.
 

gshayd

Ugliest house on the block.
Nov 25, 2018
1,308
113
Beaumont, Texas
A stripped lower is indeed a firearm. It may or may not be a completed firearm.
You are right what I meant to say is that it is not a pistol or a rifle. It does have the serial number for the 4473. On the 4473 of every stripped receiver I have purchased, it has been marked as other by the FFL I purchased it from. Also if you are planning to build an SBR I wouldn't have it laying in a box of parts with a barrel that makes it an SBR and if you are building a pistol I wouldn't have it laying in a box of parts with a stock. That might speak to intentions.
 

Renegade

SuperOwner
Mar 5, 2008
8,266
113
Texas
As long as it is yours and you don't build an SBR or an NFA firearm with it as far as I know no serial number is required you can build a firearm for personal use. If you decide to sell it then you will have to put a serial number on it. If it has not been milled out or drilled out is the equivalent of a doorstop.
Serial numbers are not required and it would make no sense to put essentially a random number on an otherwise unmarked receiver.
 
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