Modifying Upper for M-LOK - Page 2
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Thread: Modifying Upper for M-LOK

  1. #11
    Carbineman trebor's Avatar
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    Quote Originally Posted by Biff1212 View Post
    I agree with you. I should have my M-LOK rails on Monday. I'll tinker with a piece of flat bar until I get the fit right. If everything works out I'll cut up my upper.
    This from the web: https://en.wikipedia.org/wiki/M-LOK

    I does have some PDF's attached to the article.

  2. #12
    XCR Guru fmunk's Avatar
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    Quote Originally Posted by trebor View Post
    This from the web: https://en.wikipedia.org/wiki/M-LOK

    I does have some PDF's attached to the article.
    Two links to the same PDF. Likely the same PDF OP had mentioned. Marketing material only. No specs or dimensions of the slots and hardware.
    Fool-proofing serves only one purpose: identify bigger fools.

  3. #13
    Newbie Biff1212's Avatar
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    I received my M-LOK QD attachment as well as a picatinny rail section and went ahead and machined one side of the receiver. Turned out great! everything fits very well. There is about .050" clearance between the inside of the receiver and the barrel. No problems installing or uninstalling. I have not machined the inside flat to accept the nuts but I do have a tool coming for next week for that. I would say that the flats don't even need to be machined but I am going to do that anyway once the cutter arrives. I just wanted to get slots in there so I could check clearance on the barrel.
    Attached Thumbnails Attached Thumbnails Modifying Upper for M-LOK-wp_20170125_17_46_49_pro.jpg   Modifying Upper for M-LOK-wp_20170125_17_48_17_pro.jpg   Modifying Upper for M-LOK-wp_20170125_17_48_28_pro.jpg  
    Merlin, TexasChris, fmunk and 1 others like this.

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  5. #14
    XCR Guru fmunk's Avatar
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    Nice work! I had thought about doing this but don't have the tools nor skills. Tried to find a local machinist to do it but none showed interest.
    Fool-proofing serves only one purpose: identify bigger fools.

  6. #15
    Expert Mechanic's Avatar
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    Nicely done. Looks much better than KeyMod. Is that Five-Huns to the barrel or the barrel extension?
    "Don't Tread On Me!"
    -- (reiterated without permission) Rich Hornay

  7. #16
    XCR Guru Merlin's Avatar
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    Mech can you do this for us?

    "Be Vigilant and Safe!!"
    "Molon Labe!!"
    "It Is A Weak Man Who Urges Compromise!!"

  8. #17
    Expert Mechanic's Avatar
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    Quote Originally Posted by Merlin View Post
    Mech can you do this for us?
    As soon as I get off my ass and get the mill running .
    "Don't Tread On Me!"
    -- (reiterated without permission) Rich Hornay

  9. #18
    XCR Guru Merlin's Avatar
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    Quote Originally Posted by Mechanic View Post
    As soon as I get off my ass and get the mill running .
    And the M&P trigger.

    "Be Vigilant and Safe!!"
    "Molon Labe!!"
    "It Is A Weak Man Who Urges Compromise!!"

  10. #19
    Newbie Biff1212's Avatar
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    Quote Originally Posted by Mechanic View Post
    Nicely done. Looks much better than KeyMod. Is that Five-Huns to the barrel or the barrel extension?
    That is .050" to the barrel. You would have to remove the attachments to remove the barrel.

  11. #20
    Newbie Biff1212's Avatar
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    Quote Originally Posted by Merlin View Post
    Mech can you do this for us?
    I can do them. I am just unsure of the requirements, if any, to handle and ship uppers. Also there is a licensing issue with Magpul. I have the details now, just have to go through them.
    Last edited by Biff1212; 01-26-2017 at 07:46 PM.

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