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1/6/2008 10:08:22 AM EDT
What do I need to do to notify the ATF of a permanent change to my SBR? I'm changing uppers and selling the original.

Thanks
Mike
1/6/2008 10:33:43 AM EDT
[#1]
What is the barrels lenght on your original paperwork?

They dont have any numbers other than serial, barrel length, and caliber.  IF you did like most and wrote the shortest length and multiple calibers you should be just fine.


BIGFOOT
1/6/2008 11:49:40 AM EDT
[#2]

Quoted:
What is the barrels lenght on your original paperwork?

They dont have any numbers other than serial, barrel length, and caliber.  IF you did like most and wrote the shortest length and multiple calibers you should be just fine.


BIGFOOT

That's incorrect. If you permenantly modify the firearm from it's registered status (which is what the OP is suggesting), you are supposed to send an ammendment letter to NFA branch specifying the new specs. Include a second copy, and ask that they return it to you with a "Recieved by ATF" stamper mark on it.
1/6/2008 7:48:46 PM EDT
[#3]
How do they know what is original on an SBR.

I have filled out the papers, but I have no idea what the upper is going to be and neither do they.  I understand if you are changing a MG or something.  

I am not arguing,  just really want to clear this up so that I don't make a dumb mistake.

BIGFOOT
1/6/2008 7:54:02 PM EDT
[#4]
They approved your SBR Form-1 without a barrel length or overall length?
1/6/2008 8:35:04 PM EDT
[#5]
To the OP, what does it say on your papers? what upper do you currently have? and what are you changing to?  I assume this is an AR?
1/7/2008 6:26:17 AM EDT
[#6]
It is an AR 9mm. I currently have a 9.25" barrel on it and that is what is listed on the form 1. I am changing to a 10.5" factory upper and selling the 9.25". I understand that if I kept the 9.25" I would have to do nothing but since I am alterint the barrel length permanently I have to notify them of the change correct?

Thanks for all the input I just want to do it right.
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