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Thread: 3D-printed AR-15 lower

  1. #1
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    3D-printed AR-15 lower

    I just ran across this: http://www.thingiverse.com/thing:11669

    The short-version is that, with a 3D printer, you can manufacture your own lower at home, no background checks, no nothing.

    The functionality issues are almost as interesting as the legality issues. It seemed to me to be a subject a few here would be interested in discussing.
    Last edited by Complication; 09-20-11 at 11:57. Reason: Wrong link

  2. #2
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    3D printing is still in the infant stage, but I see a great deal of potential there. I can Really see someone printing out a few Generation-1 PS90 internal components to replace their Generation-3's.

    If it were up to me, I'd probably make a few changes in a lower made from ABS rather than aluminium such as reinforcing the pin holes or perhaps making the holes large enough to accept larger, metal bushings which would then hold the pins.

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    I printed the upper and lower on one of my 3D Printers. No testing yet!


    I did cut a lower so I can access the TG for detailed modifications.

    NRA Lifetime Member
    Firearms and Diesel Trucks....the left's worst nightmare!

  4. #4
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    Tagged:

    This is interesting, more pics & info please.

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    My first question is, didn't you just manufacture two illegal firearms?

  6. #6
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    as far as legality goes, would these fall under the same rule as the 80% lowers?

    ETA: This is awesome.

    Quote Originally Posted by Blowby View Post
    I printed the upper and lower on one of my 3D Printers. No testing yet!


    I did cut a lower so I can access the TG for detailed modifications.

    Last edited by truckie453; 09-20-11 at 14:59.
    -Vinny

    The things that may or may not be true are the things a man needs to believe in the most. People are good; honor, courage, virtue mean everything; power and money mean nothing; good always triumphs over evil; true love never dies. A man should believe in those things, because worth they believing in.

  7. #7
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    This 3-D printing is new to me.

    And frankly my mind is spinning right now. Ohhh the court battles to come

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