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Thread: Mckay receiver

  1. #1
    Registered User
    Join Date
    Sep 2020

    Mckay receiver

    ok, got my Mckay receiver and started to assemble my original IMI 7zi parts on it. All fit fine Except the barrel nut. Threads don't match.
    Check on my All original IMI AA Uzi and fit fine. Check on front barrel stub of an full auto uzi fit fine. Examination of the Mckay appears to have a different corner thread. Anyone else had this issue???

  2. #2
    UZI Talk Supporter

    Join Date
    Dec 2002
    South Sioux City, NE
    search for the M26 x 1.5 MM Die
    Last edited by David Hineline; 04-17-2021 at 10:45 PM. Reason: more info
    Class 3 shooters blow thier loads faster and with only 1 pull of the trigger

  3. #3
    Registered User
    Join Date
    Mar 2021
    The McKay receiver may have some rough threads. I thought mine was improperly-threaded as well but in the end I just carefully started my barrel nut and put some force to it and it screwed on, cleaning up the threads as it went. Now it goes off and on fine.

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