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Posted: 4/21/2015 1:31:05 AM EDT
| Can you use multiple uppers with different barrel lengths and calibers on a single registered SBR lower? |
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Yes. I believe you have to retain the original upper or notify the atf if you sell/modify the original and change it to something different, but someone will have to chime in to verify that one. I have 3 upper and counting for 1 lower. I need more stamps  This |
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Quoted: This Quoted: Quoted: Yes. I believe you have to retain the original upper or notify the atf if you sell/modify the original and change it to something different, but someone will have to chime in to verify that one. I have 3 upper and counting for 1 lower. I need more stamps This Can you own all of those said uppers, at the same time that you own non NFA AR rifles and or stripped lowers. |
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This Quoted:
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Yes. I believe you have to retain the original upper or notify the atf if you sell/modify the original and change it to something different, but someone will have to chime in to verify that one. I have 3 upper and counting for 1 lower. I need more stamps This This...is mostly all incorrect information. 
There's no need to be able to return to the original specs, and there's no requirement to notify the ATF of any change in caliber or length. And to address the question just above my post...you simply don't want to be in the position where you can only build an unregistered SBR. If you have one SBR or AR pistol in the mix, you're good to go. Whatever combination of other uppers and/or lowers you want. |
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Quoted:
This...is mostly all incorrect information.
There's no need to be able to return to the original specs, and there's no requirement to notify the ATF of any change in caliber or length. And to address the question just above my post...you simply don't want to be in the position where you can only build an unregistered SBR. If you have one SBR or AR pistol in the mix, you're good to go. Whatever combination of other uppers and/or lowers you want. Quoted:
Quoted:
Quoted:
Yes. I believe you have to retain the original upper or notify the atf if you sell/modify the original and change it to something different, but someone will have to chime in to verify that one. I have 3 upper and counting for 1 lower. I need more stamps This This...is mostly all incorrect information.
There's no need to be able to return to the original specs, and there's no requirement to notify the ATF of any change in caliber or length. And to address the question just above my post...you simply don't want to be in the position where you can only build an unregistered SBR. If you have one SBR or AR pistol in the mix, you're good to go. Whatever combination of other uppers and/or lowers you want. Well he was right about "Yes" and "I need more stamps"
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I've read the same thing about multiple uppers: with a single registered lower you can have any number of short uppers regardless of if you have non-sbr lowers around, provided of course that you never install a short upper on the non-sbr.
I've also read about the ATF 'requesting' notification of a permanent change, but not requiring. This info is of course just what I've read. The LGS I go to told me I was totally wrong and needed to register for every type of caliber and notify about every change whether temporary or permanent. I'm also pretty sure no one would bat an eye if it wasn't allowed. So, I am wondering if anyone could provide a legal document/code/letter/some other official communication that relates to this topic? Since everything I've read is from internet gurus and fellow NFA enthusiasts I could see where someone would feel it wasn't ok to run multiple uppers. My sbr was registered as a .300blk, and I l have a .22 short upper for it and I'm not worried about using both. But it would be nice to see some sort of official reference. |
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It's legal unless you find a statute that says otherwise. You're not going to find a law stating you can have multiple uppers...but you're not going to find one that says you can't.
You've seen the ATF SBR FAQ...where they recommend you notify them. If there was a statute to enforce, you know they would've used require instead. They use recommend many times in those questions. Your LGS is often one of the worst sources of info when it comes to NFA laws. Just read the statutes themselves. |
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Quoted:
It's legal unless you find a statute that says otherwise. You're not going to find a law stating you can have multiple uppers...but you're not going to find one that says you can't. You've seen the ATF SBR FAQ...where they recommend you notify them. If there was a statute to enforce, you know they would've used require instead. They use recommend many times in those questions. Your LGS is often one of the worst sources of info when it comes to NFA laws. Just read the statutes themselves. Makes sense to me. Great explanation, thanks! |
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I've long wondered about this myself.
So as an example just to clarify... I currently own a 10.5" AR that was on a F4 (already SBR'd) from my LGS. So if I randomly see a 7.5" upper I want and purchase it and swap uppers on said SBR that is legal? I've read the rulebook a bit and sadly with all the legal jargon in it makes it hard to understand sometimes. And as someone eluded (LGS may be misinformed) to when asking my LGS about it my person mentioned that it wouldn't be legal to put a shorter upper on it however I could go longer (eg 11", etc) Basically as it was registered with said size at the time that is where I have to keep it or can increase from. *shrugs* 
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The "ok to go longer, but not shorter" is simply a myth that gets passed around by the uninformed, both on the internet and in your LGS.
Just ask them to show you the statute. Put whatever upper you want on it, regardless of caliber or length (whether it's <16" or >16"). |
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