80% lower/frame/receiver and serial number requirements

Snapper · Mar 10, 2020

I have spent half the day (unsuccessfully) searching the web for the answer to: does any "Official" ATF regulation/letter/notification explicitly exempt serial numbers for firearms made from 80% lowers/frames/receivers?

https://regulations.atf.gov/478-92/2019-24301#478-92 requires them if you are a "licensed manufacturer" or a "licensed importer".

But since I am neither, it appears this regulation does not apply to me.

I'm looking for an official ATF confirmation...does anyone have a link to such confirmation?

ziptiespec · Mar 10, 2020

There is no such confirmation. A serial number is only required per the regs you already found. You're not a manufacturer, you're a private citizen. You can choose to put a serial number on your receiver/frame if you wish, or you can skip it.

What are you trying to do? Why are you seeking this confirmation?

Snapper · Mar 10, 2020

ziptiespec said:
There is no such confirmation. A serial number is only required per the regs you already found. You're not a manufacturer, you're a private citizen. You can choose to put a serial number on your receiver/frame if you wish, or you can skip it.

What are you trying to do?

Just to not break the rules.

craftsman_69 · Mar 10, 2020

https://youtu.be/pXRj6KydI6o

Best info with references.

ziptiespec · Mar 11, 2020

craftsman_69 said:
https://youtu.be/pXRj6KydI6o

Best info with references.

That's a fantastic video.

Snapper said:
Just to not break the rules.

Ok. Have fun.

Sundancer · Apr 18, 2020

On the ATF FAQ website the answer itself seems to be an unconditional statement and not limited to manufacturers. Then it refers to manufacturer regs. It’s not a helpful FAQ to a citizen trying to avoid trouble. This is taken from their “80%” receiver section. I can see the ATF’s response statement being interpreted both ways and the wording is likely intentional. Last review date was Feb 2020.

https://www.atf.gov/qa-category/receiver-blanks

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PowPow · Apr 18, 2020

BUT, that only applies to licensed manufacturers or importers.

§ 478.92 Identification of firearms and armor piercing ammunition by licensed manufacturers and licensed importers.

a.

1. Firearms. You, as a licensed manufacturer or licensed importer of firearms, must legibly identify each firearm manufactured or imported as follows:
...

Check this out instead:

https://www.atf.gov/firearms/qa/does-individual-need-license-make-firearm-personal-use

Does an individual need a license to make a firearm for personal use?

No, a license is not required to make a firearm solely for personal use. However, a license is required to manufacture firearms for sale or distribution. The law prohibits a person from assembling a non–sporting semiautomatic rifle or shotgun from 10 or more imported parts, as well as firearms that cannot be detected by metal detectors or x–ray machines. In addition, the making of an NFA firearm requires a tax payment and advance approval by ATF.

[18 U.S.C. 922(o), (p) and (r); 26 U.S.C. 5822; 27 CFR 478.39, 479.62 and 479.105]

Biggfoot44 · Apr 18, 2020

You are not required to do so .

If you wish to put your own personal reference number on it ( and tell no one else) , there are scenarios it might be useful , and would avoid potential stupid questions .

4Prosales · Apr 18, 2020

Question I’m looking to buy an upper 7.5” pistol Barrel no FFL needed. Then I would like to buy a 9mm lower pistol assembly which goes through FFL . Then I would like to assemble it myself is there any laws that I should be concerned with seeing that MD has a Gun Roster for handguns you can purchase completed ??
I know the AR build your own 80% or even have an FFL build one you must wait 7 days because they consider the lower in the Handgun sector ... Not to versed on handgun builds Any advise would be appreciated ✋

rbird7282 · Apr 18, 2020

4Prosales said:
Question I’m looking to buy an upper 7.5” pistol Barrel no FFL needed. Then I would like to buy a 9mm lower pistol assembly which goes through FFL . Then I would like to assemble it myself is there any laws that I should be concerned with seeing that MD has a Gun Roster for handguns you can purchase completed ??
I know the AR build your own 80% or even have an FFL build one you must wait 7 days because they consider the lower in the Handgun sector ... Not to versed on handgun builds Any advise would be appreciated

The handgun roster only applies to buying one new. If you are building an AR pistol, the handgun roster has nothing to do with it

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Kharn · Apr 18, 2020

IF you make it an NFA firearm, you must mark it with your name, city, state, model, caliber, and serial number. Otherwise, federally, you do not have to mark it.

See ATF rulemaking from 2001 and note the distinction between the NFA and non-NFA applicability to individuals.

But for non-NFA, they recommend you mark it.

4Prosales · Apr 18, 2020

Ok then I was told that you can only build AR pistol
“ You can only build AR pistols in 308 and 300 win mag, per MD statute 403-4--6(a)II “
So I can’t build the Above pictured AR15
In 556 or 300 BO with 7.5 barrel in Maryland ??
I get the HGR is for FFL sales of Completed Firearms in MD.
Building them I was told told what’s posted above ????
So Confusing
I’ve built 80% AR15 no FFL
I’ve built FFL Lowers AR15 ?

teratos · Apr 18, 2020

My buddy did an 80% to SBR. He had no model #. They told him to leave it blank.

OLM-Medic · Apr 18, 2020

teratos said:
My buddy did an 80% to SBR. He had no model #. They told him to leave it blank.

I like making weird, occasionally violently sexual, model names on my form 1 though

teratos · Apr 18, 2020

OLM-Medic said:
I like making weird, occasionally violently sexual, model names on my form 1 though

Had a lower engraved for a friend: his is the Gay-R-15.

DutchV · Apr 18, 2020

4Prosales said:
Ok then I was told that you can only build AR pistol
“ You can only build AR pistols in 308 and 300 win mag, per MD statute 403-4--6(a)II “
So I can’t build the Above pictured AR15
In 556 or 300 BO with 7.5 barrel in Maryland ??
I get the HGR is for FFL sales of Completed Firearms in MD.
Building them I was told told what’s posted above ????
So Confusing
I’ve built 80% AR15 no FFL
I’ve built FFL Lowers AR15 ?

Somebody is messing with you, making stuff up or does not know the law. There's no caliber restriction on an AR pistol. Yes, you can build a 7.5" 5.56. People buld them in 5.56 and 300 Blackout all the time. Poke through the AR pistol thread here for lots of examples.

outrider58 · Apr 18, 2020

It's gotta be the COVID...

DutchV · Apr 18, 2020

Here's the pistol thread I mentioned above. 134 pages currently.

https://www.mdshooters.com/showthread.php?t=116795

Kharn · Apr 19, 2020

teratos said:
My buddy did an 80% to SBR. He had no model #. They told him to leave it blank.

You can leave the model blank on NFA forms, but if you choose to use one, you must engrave it.

teratos · Apr 19, 2020

Kharn said:
You can leave the model blank on NFA forms, but if you choose to use one, you must engrave it.

80% lower/frame/receiver and serial number requirements

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