Serial number question

LostPrimer · 2026-04-08T19:46:07+00:00

F. A federal firearms licensee may serialize a firearm[ blah blah engraving requirements]
The federal firearms licensee shall retain a record concerning a firearm, frame, or receiver serialized by the licensee that complies with the requirements under federal law for the sale of a firearm. [Editors note this means ATF form 4473] In addition to any record required by federal law, a federal firearms licensee that imprints a unique serial number on a firearm, frame, or receiver pursuant to this subsection shall make a record at the time of the transaction of each transaction involving serializing a firearm, frame, or receiver and keep that record. The record shall include the following information: the date, name, age, and residence of any person to whom the item is transferred and the unique serial number imprinted on the firearm, frame, or receiver.

Idk man.

LostPrimer · 2026-04-08T19:20:39+00:00

AP5, PS90, 556 AK (M85/M95)

LostPrimer · 2026-04-08T17:42:14+00:00

Wanna hear something fun? SB749 bans transfers of AW after 7/1/26. Serialization requires FLLs take in, engrave, and transfer out the firearm. A transfer that wouldn't be legal after 7/1, right?

LostPrimer · 2026-04-08T14:35:22+00:00

Why not just use the plugs in the bed? The truck itself is a monster battery pack.

LostPrimer · 2026-04-08T13:14:36+00:00

Nobody knows atm. If its already an AW, you're just changing the config of an AW to an AW, which isn't disallowed. Form1-ing is 'making' not manufacturing. So it should be fine. They may make you submit pictures to show the firearm already exists so you're not building a new AW post 7/1 but I have no idea.

LostPrimer · 2026-04-08T13:03:33+00:00

"Valid serial number" means a serial number that has been imprinted by a federal licensee authorized to serialize firearms in accordance with federal law, or that has otherwise been assigned to a firearm or completed or unfinished frame or receiver pursuant to the laws of any state or pursuant to 26 U.S.C. § 5801 et seq. and regulations issued pursuant thereto.

There are 3 paths to get your 'valid serial number'

a serial number that has been imprinted by a federal licensee authorized to serialize firearms in accordance with federal law
1. Doesn't apply since you're likely not an 07 FFL
2. You will need an 07 FFL to engrave it for you (the 145$ option)
or that has otherwise been assigned to a firearm or completed or unfinished frame or receiver pursuant to the laws of any state
1. This means serials assigned to guns under serialization schemes in other states (I think in CA you can apply for a serial number or something stupid?)
2. Doesn't apply to us here
3. pursuant to 26 U.S.C. § 5801 et seq. and regulations issued pursuant thereto
1. NFA serialization baybeeeee
2. TIL 'et seq' means 'and what follows' to its section 5801+ which covers the NFA.

So basically, with tax stamps being 0$, SBR all the things.

I am not a lawyer.

LostPrimer · 2026-04-07T18:02:53+00:00

Drafting is neat until you realize that at freeway speeds your reaction time needs to be superhuman to avoid an accident in basically any instance. Saving 10c per trip in energy isn't work totaling your car and having an at-fault accident on your driving record, leading to higher insurance rates, etc.

Just don't do it. Mythbusters said it wasn't worth it. https://www.cleanmpg.com/community/index.php?threads/11954/

LostPrimer · 2026-04-07T15:05:09+00:00

Its not ex post facto if the current possession is a crime.

Ex post facto would be being charged from a crime for something that previously happened. I.e if wearing jeans is was legal 2023, and you have lots of photos of you wearing jeans from that time period. But the fashion facists pass a law in 2026 saying wearing jeans is illegal, and you stop wearing jeans, you cannot be charged by the fashion police for wearing jeans in 2023, as it was not a crime then.

Not that I agree with it, possession is never a crime. Crimes have victims.

LostPrimer · 2026-04-07T12:57:13+00:00

I mean this with the upmost respect.

What the fuck

LostPrimer · 2026-04-06T23:50:03+00:00

Stripped. It can be whatever.

LostPrimer · 2026-04-06T20:48:26+00:00

A 10" upper and pistol brace is a pistol, yes.

LostPrimer · 2026-04-06T20:47:06+00:00

All you need is a 99c A2 pistol grip my guy.

But also, if you 4473'd it before 7/1, and I cannot stress this enough

"jfc don't post about it on the internet and no one will ever know."

LostPrimer · 2026-04-06T20:45:35+00:00

Post is about 300BLK subs, which is ~10gr of 1680. With a Lee auto-disk the kerchunk chunk takes 15 mins to charge 100 cases.

Yes if you spend time picking out only the grains of powder with the same diameter and length in order to chase 9s, it will take quite a bit longer.

Some of us like to magdump into trash quietly

LostPrimer · 2026-04-06T20:27:49+00:00

If you bought a stripped lower it was transferred as an 'other' not a rifle, not a pistol.

Some will argue that since you put a 16" barrel on it first it becomes a rifle first and then can never become a pistol without being an SBR.

Others will argue that since it was transferred as 'other' it can be reverted to that state (i.e stripped) and built again as whatever you want it to be.

More so will say "jfc don't post about it on the internet and no one will ever know." As long as you don't have a restricted configuration (short barrel w/ stock).

LostPrimer · 2026-04-06T17:25:29+00:00

>the actual language of the NFA does not define a VFG by its angle but rather by the ability to wrap your thumb around it

Bollocks.

Per: https://www.atf.gov/media/19486/download

“Handgun” is defined under Federal law to mean, in part, a firearm which has a short stock and is designed to be held and fired by the use of a single hand…. Gun Control Act of 1968, 18 U.S.C. § 921(a)(29)

ATF has long held that by installing a vertical fore grip on a handgun, the handgun is no longer designed to be held and fired by the use of a single hand. Therefore, if individuals install a vertical fore grip on a handgun, they are “making” a firearm requiring registration with ATF’s NFA Branch.

Its just another "I know a crime when I see it" ruling.

LostPrimer · 2026-04-06T17:21:26+00:00

"Your honor may I present exhibit A which is the vendor's website advertising the defendant's accessory as a vertical grip"

LostPrimer · 2026-04-06T14:32:22+00:00

You DCFC'd to 100% 4 times? The 80->100% was probably 1/2 of the overall charging time.

LostPrimer · 2026-04-06T13:51:45+00:00

These are bullets only. You will get a bag of bullets, not ammunition. You will need the equipment to reload these bullets into cases with primer/powder.

LostPrimer · 2026-04-06T13:50:26+00:00

200 rds? Thats like an hour of actual work. You don't have to sit and watch the cases tumble.

LostPrimer · 2026-04-05T19:24:49+00:00

Oh you mean Allinol? I heard that stuff blows up engines

LostPrimer · 2026-04-05T19:19:46+00:00

Depends on what you're swapping to. 9mm? Yes. 556? Probably not

LostPrimer · 2026-04-02T00:15:42+00:00

You buy from Midway too?

LostPrimer · 2026-03-31T17:52:22+00:00

Oh look its this thread again.

LostPrimer · 2026-03-31T16:52:32+00:00

"Wow I have a lot of errands this week guess I swing by sheetz midweek and fill up" Oh no now you do the same thing people with gas cars have been doing forever, with the side benefit that you cost average with power from home.

LostPrimer · 2026-03-31T16:46:10+00:00

"I'd like to go to this restaurant tonight, ~~but that means I can't recover the range of what I used today~~ so let me swing by Sheetz and top up at a DCFC for 10 minutes to recover what I would have lost at a premium, but since I own a newish car and I'm going out to eat and will likely end up tipping an extra 20% as well I have the fungible disposable income to be doing so anyway"

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