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IndustryArena Forum > Hobby Projects > Gunsmithing > AR-15 A-3 flat top upper forging model
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  1. #1
    Join Date
    Mar 2010
    Posts
    13

    AR-15 A-3 flat top upper forging model

    Has anyone come across a 3d cad model for the AR-15 A3 upper forging. I have a detailed print but not to familiar with how to create some of the features in solidworks, was kind of hoping someone out there already did the leg work and doesn't mind sharing.

  2. #2
    Join Date
    Mar 2007
    Posts
    29

    Re: AR-15 A-3 flat top upper forging model

    I've got the .igs file if you want it.

    -WRM

  3. #3
    Join Date
    Sep 2013
    Posts
    147

    Re: AR-15 A-3 flat top upper forging model

    Cncguns


    Sent from my iPhone using Tapatalk

  4. #4
    Join Date
    Mar 2010
    Posts
    13

    Re: AR-15 A-3 flat top upper forging model

    WRM,
    Thank you but I found what I needed.

  5. #5
    Join Date
    Mar 2010
    Posts
    13

    Re: AR-15 A-3 flat top upper forging model

    thanks for the info Newman but that is the complete upper. I need the forging model

  6. #6
    Join Date
    Jul 2014
    Posts
    8

    Re: AR-15 A-3 flat top upper forging model

    Somewhat related, but how would you machine the 90 degree wall for the slot where the BCG's gas key fits into the receiver. The rear takedown pin lug would prevent an end mill for going in perpendicular. I'm guessing use a shaper or broach.

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