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Thread: Form 1 ?

  1. #1
    Marksman

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    Form 1 ?

    Just researching here, What is a Form 1? I was reading on another forum where a guy applied for his form 1 to build a solvent trap. Is this needed to manufacture a trap? then later get a form 4? Like I said, I'm just in research phase, I shot a solvent trap and was quite impressed.

    Has anyone build their own can? if so please inform on the steps needed for legality.

  2. #2
    Grandmaster Rookie's Avatar

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    A form 1 is for diy. Most of the time, it is for converting a rifle into an SBR. You won't need to do a form 4 later.

    1. Get form 1 approved.
    2. Build your suppressor.

    I have not built a suppressor. Someone on here has, it's somewhere in this section but I don't think there was a lot of technical information.

  3. #3
    F.A.Y!! DanVoils's Avatar

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    Quote Originally Posted by yetti462 View Post
    Just researching here, What is a Form 1? I was reading on another forum where a guy applied for his form 1 to build a solvent trap. Is this needed to manufacture a trap? then later get a form 4? Like I said, I'm just in research phase, I shot a solvent trap and was quite impressed.

    Has anyone build their own can? if so please inform on the steps needed for legality.
    A form 1 is where you are the "maker" of an NFA item. (Manufacturer is something different.) You use a form 1 to request the stamp for a Suppressor, Short Barrel Rifle (SBR) or Short Barrel Shotgun (SBS). Once the stamp is approved you can build said item. As far as the solvent trap into a suppressor you can acquire all the parts for it but cannot do any drilling. You can engrave the tube but cannot form or drill the baffles or end cap. When you apply for the Form 1 you will need to know the overall length and caliber of the suppressor. You do not need to submit any plans or drawings. Once the Form 1 is approved you can build the can. You can change the internal design until you put a bullet through it. Once you "use" it the design cannot be changed. In theory when you disassemble it for cleaning you must reassemble it exactly the same way that it was disassembled.
    Search through the forum for more info on design layouts and results. I've built multiple Form 1 cans with great results.
    Dan

  4. #4
    Hop
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    Quote Originally Posted by DanVoils View Post
    A form 1 is where you are the "maker" of an NFA item. (Manufacturer is something different.) You use a form 1 to request the stamp for a Suppressor, Short Barrel Rifle (SBR) or Short Barrel Shotgun (SBS). Once the stamp is approved you can build said item. As far as the solvent trap into a suppressor you can acquire all the parts for it but cannot do any drilling. You can engrave the tube but cannot form or drill the baffles or end cap. When you apply for the Form 1 you will need to know the overall length and caliber of the suppressor. You do not need to submit any plans or drawings. Once the Form 1 is approved you can build the can. You can change the internal design until you put a bullet through it. Once you "use" it the design cannot be changed. In theory when you disassemble it for cleaning you must reassemble it exactly the same way that it was disassembled.
    Search through the forum for more info on design layouts and results. I've built multiple Form 1 cans with great results.
    Dan
    Where did you get your info? There are things in your post I've never seen in any ATF documentation. I've also built a couple Form 1 freeze plug / solvent trap suppressors. There's a pretty detailed thread here with pictures, jigs, parts info, etc. Search for my handle "Hop" and "Form 1".

  5. #5
    Silencers Have NEVER Been Illegal !
    VUPDblue's Avatar

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    Yeah you can change out cores or baffles at any time. What you cannot do is stockpile those items. So long as the tube is the registered part, what's inside doesn't matter. Hell, I could send any number of my older cans to the manufacturer, or a third party manufacturer, and get them re-cored with new technology, no problem.
    VUPDblue's Rule #1: Don't be a jerk.

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  6. #6
    Grandmaster

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    Quote Originally Posted by VUPDblue View Post
    Yeah you can change out cores or baffles at any time. What you cannot do is stockpile those items. So long as the tube is the registered part, what's inside doesn't matter. Hell, I could send any number of my older cans to the manufacturer, or a third party manufacturer, and get them re-cored with new technology, no problem.
    I think the issue here is the difference between "manufacturer" and "maker". A person making a device on a Form 1 is "maker" but per ATF guidance, only "manufacturers" (implying a licensed manufacturer) can switch out cores etc. IMHO (IANAL) a Form 1 "MAKER" changing cores/designs/etc is a gray area. I haven't seen definitive proof that it is illegal to do, but those purporting it to be illegal do have a point that has made me change my stance on the issue in recent years. The thing that really caused me to consider that stance as valid was when the ATF flip-flopped on wipes. It used to be that wipes were considered user-serviceable and the user could posses spares and change them out. The ATF changed their stance on that and now SOTs have to change wipes out (IIRC). If an SOT is needed to change out wipes, then how can it be legal to change out cores and other parts, especially on solvent traps?

    Just my thoughts...

  7. #7
    Silencers Have NEVER Been Illegal !
    VUPDblue's Avatar

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    It seems to me to be more like a matter of extra suppressor parts on hand rather than being an SOT just to do the work. Gray area indeed. For the love of god, someone write a technical letter!!!!! /purple
    VUPDblue's Rule #1: Don't be a jerk.

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    sports facility!



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  8. #8
    Hop
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    I don't remember if it was required but I did upload PDF drawings of my suppressor design when I did the e-file.


  9. #9
    Marksman STFU's Avatar

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    This set of forums has been VERY helpful to me completing my Form1 build.
    Home | Form 1 Suppressor
    There are some super helpful folks on here with a wealth of knowledge (both technical knowledge and legal knowledge):
    Stamp collecting is fun!

  10. #10
    F.A.Y!! DanVoils's Avatar

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    Quote Originally Posted by STFU View Post
    This set of forums has been VERY helpful to me completing my Form1 build.
    Home | Form 1 Suppressor
    There are some super helpful folks on here with a wealth of knowledge (both technical knowledge and legal knowledge):
    Agreed! I've been a member and poster there for many years.

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