Page 2 of 4 FirstFirst 1234 LastLast
Results 11 to 20 of 36

Thread: Alphabet punch set to mark SBR lower?

  1. #11
    Modding this sack of shit BehindBlueI's's Avatar
    Join Date
    Mar 2015
    Location
    Midwest
    I don't know nothing about nothing, so if this is stupid just disgard.

    If you're going to do it yourself, why not an etching pen and stencils? Something like this, only probably smaller stencils: https://www.amazon.com/Engraver-Poli.../dp/B07Q2S3CLZ
    Sorta around sometimes for some of your shitty mod needs.

  2. #12
    Site Supporter
    Join Date
    May 2012
    Location
    Central Wisconsin
    I’m a pretty gung-ho DIYer, and I wouldn’t attempt that.

    Print a sticker with your text, and use an electric pencil. Previous employer used that method for B-1 bomber components. Practice your penmanship before the real thing. Make sure your part and your hand are properly supported so nothing moves/shakes. Go slow to get depth.

    Place a sheet of paper or feeler gage on a flat surface and drag a fingernail off the edge. Paper is bout 0.004”. It’s an estimate of “feel” on your text depth.

  3. #13
    Member DMF13's Avatar
    Join Date
    Feb 2014
    Location
    Nomad
    Here is a summary of the marking requirements, with CFR citations included:
    https://www.atf.gov/firearms/firearm...ation-overview

    If you choose not to do it yourself, and are paying an engraver they must be a licensee (aka FFL). Engraving is gunsmithing, and requires a license if the engraver is doing it as a business.

    https://www.atf.gov/firearms/qa/lice...iring-firearms

    Also don't fall for the BS that they don't need a license if you stand there and wait while it's done. There is a record keeping exception for work done with same day service, but there is NOT an exception for needing a FFL.
    https://www.atf.gov/firearms/qa/does...cquisition-and
    Last edited by DMF13; 08-13-2020 at 11:09 AM.
    _______________
    "Whom shall I send, and who will go for us?" Then I said, "Here I am. Send me." - Isaiah 6:8

  4. #14
    Quote Originally Posted by Duke View Post
    Yes but they have no way of measuring said depth...
    Ask me how I know.



    Laser is my go to as I don’t like jacking with easily jacked up stuff
    Yes they do. I have a friend with ATF that does it.
    We could isolate Russia totally from the world and maybe they could apply for membership after 2000 years.

  5. #15
    1)I've used stamps on 80% receivers. Stamps vary in quality, but aluminum isn't the hardest thing to stamp. I tried to calibrate my hammer swing on a test piece and then milled them off; they were more than .003 below the surface. But I don't know of a non destructive way to measure. Maybe a reeeeaaaalllly fine point indicator zeroed on the surface.

    2)When doing them after the mag well is cut, even with a solid block clamped in the mag well, I got some distortion on the inside of the magwell. It's a pretty thin wall. Not enough to present any functional issue. YMMV.

  6. #16
    Quote Originally Posted by Grey View Post
    How do you know?

    Sent from my SM-G950U1 using Tapatalk
    “Look Right here inspector. My laser engraving lists my trust and is correct depth...”


    _ we don’t have measuring device for engraving. It matches the form 1 so it’s fine_

  7. #17
    Site Supporter Hambo's Avatar
    Join Date
    Aug 2014
    Location
    Behind the Photonic Curtain
    Quote Originally Posted by EricP View Post
    Those punches will easily reach the necessary engraving depth, which is > 0.003”.

    Machinists have been stamping crooked part numbers on things since the beginning of time. It is not that easy to keep the spacing and depth consistent and the marking straight. If you do it, pack the cavity (magwell for instance) behind where you are stamping solid. Since you already have the costs of the lower and the stamp into this, the last thing I’d want to do is bend or crack the lower.
    Yes to all the above. I did it a long time ago on engine blocks and cylinder heads, but I wouldn't even consider it on a lower.
    "Gunfighting is a thinking man's game. So we might want to bring thinking back into it."-MDFA

  8. #18
    Or instead of worrying about bureaucratic nonsense, you could just not get it engraved. You paid the $250 tax stamp and got the background check. Can they get a jury to convict you to 10 years in prison because you forgot to get it engraved too? It’s already engraved with the firearm serial number and there’s a digital database linking that serial to you. It isn’t 1940 anymore.

    For this to be a problem, first you have to have the SBR in public, then you have to piss off a cop who either really knows the engraving laws and is out to get you or is clueless about NFA entirely and is out to get you. Then that cop would have to call the ATF field office who would have to decide over the phone to send an agent, even after they checked the database and confirmed it’s registered to you.

    Then that agent would have to show up and instead of giving you a warning suggesting you get it engraved, he decides to jack you up too.

    After that, you’d need a USDA willing to file charges and a grand jury willing to bill you and then a jury willing to convict you.

    I’d bet not a single person with a legitimate NFA tax stamp has ever actually even been arrested for failing to engrave, let alone convicted.

    Or you can worry about doing it yourself and meeting depth requirements or looking for a professional and wondering whether the engraver has a valid FFL because Rule 37c-908 subsection 11 states that the engraver must also have an FFL to touch this deadly piece of metal shaped into a lower receiver.

    Either way.

    If you say it’s the stakes, not the odds, then also buy asteroid insurance in case that hits your house. Also, if the government really wants to target you to jack you up, you’re already breaking 1000 other laws you have no idea about. Did you leave a coffee mug on your back patio one day? You’re illegally collecting rainwater. Did you trim hedges in your back yard without conducting a soil and ecological assessment to ensure you weren’t disrupting the habitat of local ground lizards? I just shrug.
    Last edited by Sanch; 08-13-2020 at 12:36 PM.

  9. #19
    Site Supporter OlongJohnson's Avatar
    Join Date
    Mar 2015
    Location
    "carbine-infested rural (and suburban) areas"
    Quote Originally Posted by 5pins View Post
    Yes they do. I have a friend with ATF that does it.
    A depth micrometer with a pointed probe is not difficult to acquire.
    .
    -----------------------------------------
    Not another dime.

  10. #20
    Quote Originally Posted by Sanch View Post
    Or instead of worrying about bureaucratic nonsense, you could just not get it engraved. You paid the $250 tax stamp and got the background check. Can they get a jury to convict you to 10 years in prison because you forgot to get it engraved too? It’s already engraved with the firearm serial number and there’s a digital database linking that serial to you. It isn’t 1940 anymore.

    For this to be a problem, first you have to have the SBR in public, then you have to piss off a cop who either really knows the engraving laws and is out to get you or is clueless about NFA entirely and is out to get you. Then that cop would have to call the ATF field office who would have to decide over the phone to send an agent, even after they checked the database and confirmed it’s registered to you.

    Then that agent would have to show up and instead of giving you a warning suggesting you get it engraved, he decides to jack you up too.

    After that, you’d need a USDA willing to file charges and a grand jury willing to bill you and then a jury willing to convict you.

    I’d bet not a single person with a legitimate NFA tax stamp has ever actually even been arrested for failing to engrave, let alone convicted.

    Or you can worry about doing it yourself and meeting depth requirements or looking for a professional and wondering whether the engraver has a valid FFL because Rule 37c-908 subsection 11 states that the engraver must also have an FFL to touch this deadly piece of metal shaped into a lower receiver.

    Either way.
    Go for it, I'll stick to the law and not play odds with a felony...

User Tag List

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •