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Thread: Vertical line on upper receiver

  1. #31
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    I would like to add something else to the "forging/casting mark" debate. The dies have to have had changes and redesigns over the years when you consider the transition from the old A1 to the A2 to the flat top uppers. There have been ample opportunities to remove the mark from the dies.

    Vince
    Last edited by EW1066; 07-22-10 at 12:05. Reason: spell check
    When injustice becomes law, rebellion becomes duty. Thomas Jefferson


  2. #32
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    Dies dude, forging dies.
    Last edited by Heavy Metal; 07-21-10 at 22:51.
    My brother saw Deliverance and bought a Bow. I saw Deliverance and bought an AR-15.

  3. #33
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    At least this vertical line made it to the cover of the Rolling Stone recently...

    ParadigmSRP.com

  4. #34
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    Quote Originally Posted by Heavy Metal View Post
    Dies dude, forging dies.
    The funny thing is; is that's how I spelled it at first and I went back and changed it.

    Eye nevur wuz reel gud at spellin stuf.....
    Last edited by EW1066; 07-22-10 at 00:56.
    When injustice becomes law, rebellion becomes duty. Thomas Jefferson


  5. #35
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    Quote Originally Posted by 4thPointOfContact View Post
    Dunno... but perhaps the X was engraved (a separate step easily eliminated) and the vertical line was built into the forging?
    Just hazarding a guess.

    Still doesn't explain why the vertical line has existed for so much longer as I'm pretty sure the original parts for forging have worn out.
    It was a raised +, not an X. Here are some pics from Retro Black Rifle:

    601 (602s had them as well)

    early 603/XM16E1


    Dustin

  6. #36
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    Perhaps and im just guessing that this line was OK'd when put into original production in the designs and over the years was never taken out when changes to the recievers to A1, A2, M4 etc has happened.
    Im Shihan of Shihan Gear.

  7. #37
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    Does anyone else have an idea or is this issue a dead end? Will I just have to get over it?

    Vince
    When injustice becomes law, rebellion becomes duty. Thomas Jefferson


  8. #38
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    Quote Originally Posted by EW1066 View Post
    Does anyone else have an idea or is this issue a dead end? Will I just have to get over it?

    Vince
    probably.. i've never seen anyone milk a completely inconsequential topic so thoroughly- i really think you've done all you can do, and will just have to let this one go.

  9. #39
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    Milking? Wow! Way to dump on some ones curiosity. Well I guess I'm done "milking".

    Thanks to everyone who had something positive to add to the discussion.

    Vince
    When injustice becomes law, rebellion becomes duty. Thomas Jefferson


  10. #40
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    Well, I was curious. I guess we will never know.

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